Home / 42,000.99-57,944.75-29,250.78

Finding the Fourth Proportional to 42,000.99, 57,944.75 and 29,250.78

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Solution

The fourth proportional to 42,000.99, 57,944.75 and 29,250.78 is: 40,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.99 : 57,944.75 = 29,250.78 : x
  2. Step 2: Convert to fraction form
    42,000.99/57,944.75 = 29,250.78/x
  3. Step 3: Cross multiply
    42,000.99x = 57,944.75 × 29,250.78
  4. Step 4: Simplify right side
    42,000.99x = 1,694,928,988.15
  5. Step 5: Solve for x
    x = 1,694,928,988.15/42,000.99
  6. Step 6: Final answer
    x = 40,354.50

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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.