Home / 42,220.22-63,331.12-14,135.04

Finding the Fourth Proportional to 42,220.22, 63,331.12 and 14,135.04

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Solution

The fourth proportional to 42,220.22, 63,331.12 and 14,135.04 is: 21,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.22 : 63,331.12 = 14,135.04 : x
  2. Step 2: Convert to fraction form
    42,220.22/63,331.12 = 14,135.04/x
  3. Step 3: Cross multiply
    42,220.22x = 63,331.12 × 14,135.04
  4. Step 4: Simplify right side
    42,220.22x = 895,187,914.44
  5. Step 5: Solve for x
    x = 895,187,914.44/42,220.22
  6. Step 6: Final answer
    x = 21,202.82

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1.5x scale

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.