Home / 39,884.10-59,807.85-13,578.14

Finding the Fourth Proportional to 39,884.10, 59,807.85 and 13,578.14

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Solution

The fourth proportional to 39,884.10, 59,807.85 and 13,578.14 is: 20,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,884.10 : 59,807.85 = 13,578.14 : x
  2. Step 2: Convert to fraction form
    39,884.10/59,807.85 = 13,578.14/x
  3. Step 3: Cross multiply
    39,884.10x = 59,807.85 × 13,578.14
  4. Step 4: Simplify right side
    39,884.10x = 812,079,061.36
  5. Step 5: Solve for x
    x = 812,079,061.36/39,884.10
  6. Step 6: Final answer
    x = 20,360.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.