Home / 39,942.32-59,913.47-13,647.29

Finding the Fourth Proportional to 39,942.32, 59,913.47 and 13,647.29

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Solution

The fourth proportional to 39,942.32, 59,913.47 and 13,647.29 is: 20,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.32 : 59,913.47 = 13,647.29 : x
  2. Step 2: Convert to fraction form
    39,942.32/59,913.47 = 13,647.29/x
  3. Step 3: Cross multiply
    39,942.32x = 59,913.47 × 13,647.29
  4. Step 4: Simplify right side
    39,942.32x = 817,656,234.55
  5. Step 5: Solve for x
    x = 817,656,234.55/39,942.32
  6. Step 6: Final answer
    x = 20,470.93

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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.