Home / 29,577.73-40,774.87-18,239.61

Finding the Fourth Proportional to 29,577.73, 40,774.87 and 18,239.61

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Solution

The fourth proportional to 29,577.73, 40,774.87 and 18,239.61 is: 25,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,577.73 : 40,774.87 = 18,239.61 : x
  2. Step 2: Convert to fraction form
    29,577.73/40,774.87 = 18,239.61/x
  3. Step 3: Cross multiply
    29,577.73x = 40,774.87 × 18,239.61
  4. Step 4: Simplify right side
    29,577.73x = 743,717,635.40
  5. Step 5: Solve for x
    x = 743,717,635.40/29,577.73
  6. Step 6: Final answer
    x = 25,144.51

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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.