Home / 42,654.12-63,988.35-13,064.82

Finding the Fourth Proportional to 42,654.12, 63,988.35 and 13,064.82

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Solution

The fourth proportional to 42,654.12, 63,988.35 and 13,064.82 is: 19,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,654.12 : 63,988.35 = 13,064.82 : x
  2. Step 2: Convert to fraction form
    42,654.12/63,988.35 = 13,064.82/x
  3. Step 3: Cross multiply
    42,654.12x = 63,988.35 × 13,064.82
  4. Step 4: Simplify right side
    42,654.12x = 835,996,274.85
  5. Step 5: Solve for x
    x = 835,996,274.85/42,654.12
  6. Step 6: Final answer
    x = 19,599.43

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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.