Home / 42,463.28-63,703.98-14,382.36

Finding the Fourth Proportional to 42,463.28, 63,703.98 and 14,382.36

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Solution

The fourth proportional to 42,463.28, 63,703.98 and 14,382.36 is: 21,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.28 : 63,703.98 = 14,382.36 : x
  2. Step 2: Convert to fraction form
    42,463.28/63,703.98 = 14,382.36/x
  3. Step 3: Cross multiply
    42,463.28x = 63,703.98 × 14,382.36
  4. Step 4: Simplify right side
    42,463.28x = 916,213,573.79
  5. Step 5: Solve for x
    x = 916,213,573.79/42,463.28
  6. Step 6: Final answer
    x = 21,576.61

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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.