Home / 42,225.27-63,328.67-14,149.31

Finding the Fourth Proportional to 42,225.27, 63,328.67 and 14,149.31

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Solution

The fourth proportional to 42,225.27, 63,328.67 and 14,149.31 is: 21,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,225.27 : 63,328.67 = 14,149.31 : x
  2. Step 2: Convert to fraction form
    42,225.27/63,328.67 = 14,149.31/x
  3. Step 3: Cross multiply
    42,225.27x = 63,328.67 × 14,149.31
  4. Step 4: Simplify right side
    42,225.27x = 896,056,649.39
  5. Step 5: Solve for x
    x = 896,056,649.39/42,225.27
  6. Step 6: Final answer
    x = 21,220.86

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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.