Home / 52,221.29-72,065.48-28,347.98

Finding the Fourth Proportional to 52,221.29, 72,065.48 and 28,347.98

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Solution

The fourth proportional to 52,221.29, 72,065.48 and 28,347.98 is: 39,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.29 : 72,065.48 = 28,347.98 : x
  2. Step 2: Convert to fraction form
    52,221.29/72,065.48 = 28,347.98/x
  3. Step 3: Cross multiply
    52,221.29x = 72,065.48 × 28,347.98
  4. Step 4: Simplify right side
    52,221.29x = 2,042,910,785.73
  5. Step 5: Solve for x
    x = 2,042,910,785.73/52,221.29
  6. Step 6: Final answer
    x = 39,120.27

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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.