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Finding the Fourth Proportional to 52,884.82, 72,980.76 and 29,010.88

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Solution

The fourth proportional to 52,884.82, 72,980.76 and 29,010.88 is: 40,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,884.82 : 72,980.76 = 29,010.88 : x
  2. Step 2: Convert to fraction form
    52,884.82/72,980.76 = 29,010.88/x
  3. Step 3: Cross multiply
    52,884.82x = 72,980.76 × 29,010.88
  4. Step 4: Simplify right side
    52,884.82x = 2,117,236,070.67
  5. Step 5: Solve for x
    x = 2,117,236,070.67/52,884.82
  6. Step 6: Final answer
    x = 40,034.85

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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.