Home / 52,179.88-72,008.37-28,306.55

Finding the Fourth Proportional to 52,179.88, 72,008.37 and 28,306.55

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Solution

The fourth proportional to 52,179.88, 72,008.37 and 28,306.55 is: 39,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.88 : 72,008.37 = 28,306.55 : x
  2. Step 2: Convert to fraction form
    52,179.88/72,008.37 = 28,306.55/x
  3. Step 3: Cross multiply
    52,179.88x = 72,008.37 × 28,306.55
  4. Step 4: Simplify right side
    52,179.88x = 2,038,308,517.75
  5. Step 5: Solve for x
    x = 2,038,308,517.75/52,179.88
  6. Step 6: Final answer
    x = 39,063.12

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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.