Home / 57,405.18-86,147.49-22,345.02

Finding the Fourth Proportional to 57,405.18, 86,147.49 and 22,345.02

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Solution

The fourth proportional to 57,405.18, 86,147.49 and 22,345.02 is: 33,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,405.18 : 86,147.49 = 22,345.02 : x
  2. Step 2: Convert to fraction form
    57,405.18/86,147.49 = 22,345.02/x
  3. Step 3: Cross multiply
    57,405.18x = 86,147.49 × 22,345.02
  4. Step 4: Simplify right side
    57,405.18x = 1,924,967,387.00
  5. Step 5: Solve for x
    x = 1,924,967,387.00/57,405.18
  6. Step 6: Final answer
    x = 33,532.99

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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.