Home / 42,659.68-63,985.20-11,498.08

Finding the Fourth Proportional to 42,659.68, 63,985.20 and 11,498.08

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Solution

The fourth proportional to 42,659.68, 63,985.20 and 11,498.08 is: 17,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.68 : 63,985.20 = 11,498.08 : x
  2. Step 2: Convert to fraction form
    42,659.68/63,985.20 = 11,498.08/x
  3. Step 3: Cross multiply
    42,659.68x = 63,985.20 × 11,498.08
  4. Step 4: Simplify right side
    42,659.68x = 735,706,948.42
  5. Step 5: Solve for x
    x = 735,706,948.42/42,659.68
  6. Step 6: Final answer
    x = 17,245.96

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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.