Home / 30,316.78-41,837.20-17,572.44

Finding the Fourth Proportional to 30,316.78, 41,837.20 and 17,572.44

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Solution

The fourth proportional to 30,316.78, 41,837.20 and 17,572.44 is: 24,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.78 : 41,837.20 = 17,572.44 : x
  2. Step 2: Convert to fraction form
    30,316.78/41,837.20 = 17,572.44/x
  3. Step 3: Cross multiply
    30,316.78x = 41,837.20 × 17,572.44
  4. Step 4: Simplify right side
    30,316.78x = 735,181,686.77
  5. Step 5: Solve for x
    x = 735,181,686.77/30,316.78
  6. Step 6: Final answer
    x = 24,249.99

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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.