Home / 39,942.24-59,913.28-13,647.16

Finding the Fourth Proportional to 39,942.24, 59,913.28 and 13,647.16

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Solution

The fourth proportional to 39,942.24, 59,913.28 and 13,647.16 is: 20,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.24 : 59,913.28 = 13,647.16 : x
  2. Step 2: Convert to fraction form
    39,942.24/59,913.28 = 13,647.16/x
  3. Step 3: Cross multiply
    39,942.24x = 59,913.28 × 13,647.16
  4. Step 4: Simplify right side
    39,942.24x = 817,646,118.28
  5. Step 5: Solve for x
    x = 817,646,118.28/39,942.24
  6. Step 6: Final answer
    x = 20,470.71

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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.