Home / 42,331.59-63,509.75-18,952.56

Finding the Fourth Proportional to 42,331.59, 63,509.75 and 18,952.56

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Solution

The fourth proportional to 42,331.59, 63,509.75 and 18,952.56 is: 28,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.59 : 63,509.75 = 18,952.56 : x
  2. Step 2: Convert to fraction form
    42,331.59/63,509.75 = 18,952.56/x
  3. Step 3: Cross multiply
    42,331.59x = 63,509.75 × 18,952.56
  4. Step 4: Simplify right side
    42,331.59x = 1,203,672,252.70
  5. Step 5: Solve for x
    x = 1,203,672,252.70/42,331.59
  6. Step 6: Final answer
    x = 28,434.37

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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.