Home / 52,221.74-72,066.75-28,348.46

Finding the Fourth Proportional to 52,221.74, 72,066.75 and 28,348.46

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Solution

The fourth proportional to 52,221.74, 72,066.75 and 28,348.46 is: 39,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.74 : 72,066.75 = 28,348.46 : x
  2. Step 2: Convert to fraction form
    52,221.74/72,066.75 = 28,348.46/x
  3. Step 3: Cross multiply
    52,221.74x = 72,066.75 × 28,348.46
  4. Step 4: Simplify right side
    52,221.74x = 2,042,981,379.71
  5. Step 5: Solve for x
    x = 2,042,981,379.71/52,221.74
  6. Step 6: Final answer
    x = 39,121.28

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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.