Home / 30,838.14-42,556.32-17,409.11

Finding the Fourth Proportional to 30,838.14, 42,556.32 and 17,409.11

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Solution

The fourth proportional to 30,838.14, 42,556.32 and 17,409.11 is: 24,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.14 : 42,556.32 = 17,409.11 : x
  2. Step 2: Convert to fraction form
    30,838.14/42,556.32 = 17,409.11/x
  3. Step 3: Cross multiply
    30,838.14x = 42,556.32 × 17,409.11
  4. Step 4: Simplify right side
    30,838.14x = 740,867,443.29
  5. Step 5: Solve for x
    x = 740,867,443.29/30,838.14
  6. Step 6: Final answer
    x = 24,024.39

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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.