Home / 42,000.84-57,961.26-23,138.28

Finding the Fourth Proportional to 42,000.84, 57,961.26 and 23,138.28

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Solution

The fourth proportional to 42,000.84, 57,961.26 and 23,138.28 is: 31,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.84 : 57,961.26 = 23,138.28 : x
  2. Step 2: Convert to fraction form
    42,000.84/57,961.26 = 23,138.28/x
  3. Step 3: Cross multiply
    42,000.84x = 57,961.26 × 23,138.28
  4. Step 4: Simplify right side
    42,000.84x = 1,341,123,863.03
  5. Step 5: Solve for x
    x = 1,341,123,863.03/42,000.84
  6. Step 6: Final answer
    x = 31,930.88

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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.