Home / 35,131.40-52,691.58-11,439.80

Finding the Fourth Proportional to 35,131.40, 52,691.58 and 11,439.80

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Solution

The fourth proportional to 35,131.40, 52,691.58 and 11,439.80 is: 17,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.40 : 52,691.58 = 11,439.80 : x
  2. Step 2: Convert to fraction form
    35,131.40/52,691.58 = 11,439.80/x
  3. Step 3: Cross multiply
    35,131.40x = 52,691.58 × 11,439.80
  4. Step 4: Simplify right side
    35,131.40x = 602,781,136.88
  5. Step 5: Solve for x
    x = 602,781,136.88/35,131.40
  6. Step 6: Final answer
    x = 17,157.90

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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.