Home / 30,837.08-42,555.32-17,408.92

Finding the Fourth Proportional to 30,837.08, 42,555.32 and 17,408.92

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Solution

The fourth proportional to 30,837.08, 42,555.32 and 17,408.92 is: 24,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.08 : 42,555.32 = 17,408.92 : x
  2. Step 2: Convert to fraction form
    30,837.08/42,555.32 = 17,408.92/x
  3. Step 3: Cross multiply
    30,837.08x = 42,555.32 × 17,408.92
  4. Step 4: Simplify right side
    30,837.08x = 740,842,161.45
  5. Step 5: Solve for x
    x = 740,842,161.45/30,837.08
  6. Step 6: Final answer
    x = 24,024.39

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Half scale
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Double scale
Find fourth proportional to 30,838.08, 42,556.70 and 17,409.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.