Home / 52,330.58-72,218.10-29,978.90

Finding the Fourth Proportional to 52,330.58, 72,218.10 and 29,978.90

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Solution

The fourth proportional to 52,330.58, 72,218.10 and 29,978.90 is: 41,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,330.58 : 72,218.10 = 29,978.90 : x
  2. Step 2: Convert to fraction form
    52,330.58/72,218.10 = 29,978.90/x
  3. Step 3: Cross multiply
    52,330.58x = 72,218.10 × 29,978.90
  4. Step 4: Simplify right side
    52,330.58x = 2,165,018,687.11
  5. Step 5: Solve for x
    x = 2,165,018,687.11/52,330.58
  6. Step 6: Final answer
    x = 41,371.96

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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.