Home / 39,821.76-54,951.18-23,688.18

Finding the Fourth Proportional to 39,821.76, 54,951.18 and 23,688.18

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Solution

The fourth proportional to 39,821.76, 54,951.18 and 23,688.18 is: 32,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.76 : 54,951.18 = 23,688.18 : x
  2. Step 2: Convert to fraction form
    39,821.76/54,951.18 = 23,688.18/x
  3. Step 3: Cross multiply
    39,821.76x = 54,951.18 × 23,688.18
  4. Step 4: Simplify right side
    39,821.76x = 1,301,693,443.05
  5. Step 5: Solve for x
    x = 1,301,693,443.05/39,821.76
  6. Step 6: Final answer
    x = 32,687.99

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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.