Home / 52,051.11-71,830.55-28,177.78

Finding the Fourth Proportional to 52,051.11, 71,830.55 and 28,177.78

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Solution

The fourth proportional to 52,051.11, 71,830.55 and 28,177.78 is: 38,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.11 : 71,830.55 = 28,177.78 : x
  2. Step 2: Convert to fraction form
    52,051.11/71,830.55 = 28,177.78/x
  3. Step 3: Cross multiply
    52,051.11x = 71,830.55 × 28,177.78
  4. Step 4: Simplify right side
    52,051.11x = 2,024,025,568.64
  5. Step 5: Solve for x
    x = 2,024,025,568.64/52,051.11
  6. Step 6: Final answer
    x = 38,885.35

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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.