Home / 52,221.95-72,066.45-28,348.65

Finding the Fourth Proportional to 52,221.95, 72,066.45 and 28,348.65

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Solution

The fourth proportional to 52,221.95, 72,066.45 and 28,348.65 is: 39,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.95 : 72,066.45 = 28,348.65 : x
  2. Step 2: Convert to fraction form
    52,221.95/72,066.45 = 28,348.65/x
  3. Step 3: Cross multiply
    52,221.95x = 72,066.45 × 28,348.65
  4. Step 4: Simplify right side
    52,221.95x = 2,042,986,567.79
  5. Step 5: Solve for x
    x = 2,042,986,567.79/52,221.95
  6. Step 6: Final answer
    x = 39,121.22

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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.