Home / 55,412.60-83,171.10-29,136.20

Finding the Fourth Proportional to 55,412.60, 83,171.10 and 29,136.20

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Solution

The fourth proportional to 55,412.60, 83,171.10 and 29,136.20 is: 43,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.60 : 83,171.10 = 29,136.20 : x
  2. Step 2: Convert to fraction form
    55,412.60/83,171.10 = 29,136.20/x
  3. Step 3: Cross multiply
    55,412.60x = 83,171.10 × 29,136.20
  4. Step 4: Simplify right side
    55,412.60x = 2,423,289,803.82
  5. Step 5: Solve for x
    x = 2,423,289,803.82/55,412.60
  6. Step 6: Final answer
    x = 43,731.75

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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.