Home / 55,195.02-82,793.07-13,642.02

Finding the Fourth Proportional to 55,195.02, 82,793.07 and 13,642.02

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Solution

The fourth proportional to 55,195.02, 82,793.07 and 13,642.02 is: 20,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195.02 : 82,793.07 = 13,642.02 : x
  2. Step 2: Convert to fraction form
    55,195.02/82,793.07 = 13,642.02/x
  3. Step 3: Cross multiply
    55,195.02x = 82,793.07 × 13,642.02
  4. Step 4: Simplify right side
    55,195.02x = 1,129,464,716.80
  5. Step 5: Solve for x
    x = 1,129,464,716.80/55,195.02
  6. Step 6: Final answer
    x = 20,463.16

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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.