Home / 42,359.89-63,439.64-36,782.92

Finding the Fourth Proportional to 42,359.89, 63,439.64 and 36,782.92

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Solution

The fourth proportional to 42,359.89, 63,439.64 and 36,782.92 is: 55,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,359.89 : 63,439.64 = 36,782.92 : x
  2. Step 2: Convert to fraction form
    42,359.89/63,439.64 = 36,782.92/x
  3. Step 3: Cross multiply
    42,359.89x = 63,439.64 × 36,782.92
  4. Step 4: Simplify right side
    42,359.89x = 2,333,495,480.66
  5. Step 5: Solve for x
    x = 2,333,495,480.66/42,359.89
  6. Step 6: Final answer
    x = 55,087.39

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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.