Home / 57,443.38-86,165.08-18,000.48

Finding the Fourth Proportional to 57,443.38, 86,165.08 and 18,000.48

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Solution

The fourth proportional to 57,443.38, 86,165.08 and 18,000.48 is: 27,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443.38 : 86,165.08 = 18,000.48 : x
  2. Step 2: Convert to fraction form
    57,443.38/86,165.08 = 18,000.48/x
  3. Step 3: Cross multiply
    57,443.38x = 86,165.08 × 18,000.48
  4. Step 4: Simplify right side
    57,443.38x = 1,551,012,799.24
  5. Step 5: Solve for x
    x = 1,551,012,799.24/57,443.38
  6. Step 6: Final answer
    x = 27,000.72

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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.