Home / 52,302.22-72,177.17-28,428.84

Finding the Fourth Proportional to 52,302.22, 72,177.17 and 28,428.84

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Solution

The fourth proportional to 52,302.22, 72,177.17 and 28,428.84 is: 39,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.22 : 72,177.17 = 28,428.84 : x
  2. Step 2: Convert to fraction form
    52,302.22/72,177.17 = 28,428.84/x
  3. Step 3: Cross multiply
    52,302.22x = 72,177.17 × 28,428.84
  4. Step 4: Simplify right side
    52,302.22x = 2,051,913,217.58
  5. Step 5: Solve for x
    x = 2,051,913,217.58/52,302.22
  6. Step 6: Final answer
    x = 39,231.86

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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.