Home / 39,432.17-54,416.48-21,527.18

Finding the Fourth Proportional to 39,432.17, 54,416.48 and 21,527.18

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Solution

The fourth proportional to 39,432.17, 54,416.48 and 21,527.18 is: 29,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.17 : 54,416.48 = 21,527.18 : x
  2. Step 2: Convert to fraction form
    39,432.17/54,416.48 = 21,527.18/x
  3. Step 3: Cross multiply
    39,432.17x = 54,416.48 × 21,527.18
  4. Step 4: Simplify right side
    39,432.17x = 1,171,433,359.93
  5. Step 5: Solve for x
    x = 1,171,433,359.93/39,432.17
  6. Step 6: Final answer
    x = 29,707.56

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1.5x scale

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.