Home / 57,034.08-85,555.44-15,480

Finding the Fourth Proportional to 57,034.08, 85,555.44 and 15,480

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Solution

The fourth proportional to 57,034.08, 85,555.44 and 15,480 is: 23,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034.08 : 85,555.44 = 15,480 : x
  2. Step 2: Convert to fraction form
    57,034.08/85,555.44 = 15,480/x
  3. Step 3: Cross multiply
    57,034.08x = 85,555.44 × 15,480
  4. Step 4: Simplify right side
    57,034.08x = 1,324,398,211.20
  5. Step 5: Solve for x
    x = 1,324,398,211.20/57,034.08
  6. Step 6: Final answer
    x = 23,221.17

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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.