Home / 42,063.89-63,127.11-19,884.06

Finding the Fourth Proportional to 42,063.89, 63,127.11 and 19,884.06

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Solution

The fourth proportional to 42,063.89, 63,127.11 and 19,884.06 is: 29,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.89 : 63,127.11 = 19,884.06 : x
  2. Step 2: Convert to fraction form
    42,063.89/63,127.11 = 19,884.06/x
  3. Step 3: Cross multiply
    42,063.89x = 63,127.11 × 19,884.06
  4. Step 4: Simplify right side
    42,063.89x = 1,255,223,242.87
  5. Step 5: Solve for x
    x = 1,255,223,242.87/42,063.89
  6. Step 6: Final answer
    x = 29,840.88

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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.