Home / 31,000.05-42,787.85-17,579.33

Finding the Fourth Proportional to 31,000.05, 42,787.85 and 17,579.33

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Solution

The fourth proportional to 31,000.05, 42,787.85 and 17,579.33 is: 24,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.05 : 42,787.85 = 17,579.33 : x
  2. Step 2: Convert to fraction form
    31,000.05/42,787.85 = 17,579.33/x
  3. Step 3: Cross multiply
    31,000.05x = 42,787.85 × 17,579.33
  4. Step 4: Simplify right side
    31,000.05x = 752,181,593.76
  5. Step 5: Solve for x
    x = 752,181,593.76/31,000.05
  6. Step 6: Final answer
    x = 24,263.88

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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.