Home / 39,807.27-59,711.72-13,511.97

Finding the Fourth Proportional to 39,807.27, 59,711.72 and 13,511.97

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Solution

The fourth proportional to 39,807.27, 59,711.72 and 13,511.97 is: 20,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.27 : 59,711.72 = 13,511.97 : x
  2. Step 2: Convert to fraction form
    39,807.27/59,711.72 = 13,511.97/x
  3. Step 3: Cross multiply
    39,807.27x = 59,711.72 × 13,511.97
  4. Step 4: Simplify right side
    39,807.27x = 806,822,901.73
  5. Step 5: Solve for x
    x = 806,822,901.73/39,807.27
  6. Step 6: Final answer
    x = 20,268.23

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1.5x scale

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.