Home / 42,787.43-64,157.44-17,504.70

Finding the Fourth Proportional to 42,787.43, 64,157.44 and 17,504.70

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Solution

The fourth proportional to 42,787.43, 64,157.44 and 17,504.70 is: 26,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,787.43 : 64,157.44 = 17,504.70 : x
  2. Step 2: Convert to fraction form
    42,787.43/64,157.44 = 17,504.70/x
  3. Step 3: Cross multiply
    42,787.43x = 64,157.44 × 17,504.70
  4. Step 4: Simplify right side
    42,787.43x = 1,123,056,331.66
  5. Step 5: Solve for x
    x = 1,123,056,331.66/42,787.43
  6. Step 6: Final answer
    x = 26,247.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.