Home / 42,082.64-63,116.48-13,999.92

Finding the Fourth Proportional to 42,082.64, 63,116.48 and 13,999.92

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Solution

The fourth proportional to 42,082.64, 63,116.48 and 13,999.92 is: 20,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,082.64 : 63,116.48 = 13,999.92 : x
  2. Step 2: Convert to fraction form
    42,082.64/63,116.48 = 13,999.92/x
  3. Step 3: Cross multiply
    42,082.64x = 63,116.48 × 13,999.92
  4. Step 4: Simplify right side
    42,082.64x = 883,625,670.68
  5. Step 5: Solve for x
    x = 883,625,670.68/42,082.64
  6. Step 6: Final answer
    x = 20,997.39

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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.