Home / 52,132.28-71,885.48-38,728.40

Finding the Fourth Proportional to 52,132.28, 71,885.48 and 38,728.40

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Solution

The fourth proportional to 52,132.28, 71,885.48 and 38,728.40 is: 53,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.28 : 71,885.48 = 38,728.40 : x
  2. Step 2: Convert to fraction form
    52,132.28/71,885.48 = 38,728.40/x
  3. Step 3: Cross multiply
    52,132.28x = 71,885.48 × 38,728.40
  4. Step 4: Simplify right side
    52,132.28x = 2,784,009,623.63
  5. Step 5: Solve for x
    x = 2,784,009,623.63/52,132.28
  6. Step 6: Final answer
    x = 53,402.80

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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.