Home / 39,432.47-54,416.66-21,527.27

Finding the Fourth Proportional to 39,432.47, 54,416.66 and 21,527.27

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Solution

The fourth proportional to 39,432.47, 54,416.66 and 21,527.27 is: 29,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.47 : 54,416.66 = 21,527.27 : x
  2. Step 2: Convert to fraction form
    39,432.47/54,416.66 = 21,527.27/x
  3. Step 3: Cross multiply
    39,432.47x = 54,416.66 × 21,527.27
  4. Step 4: Simplify right side
    39,432.47x = 1,171,441,914.05
  5. Step 5: Solve for x
    x = 1,171,441,914.05/39,432.47
  6. Step 6: Final answer
    x = 29,707.55

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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.