Home / 57,034.92-85,521.58-40,427.48

Finding the Fourth Proportional to 57,034.92, 85,521.58 and 40,427.48

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Solution

The fourth proportional to 57,034.92, 85,521.58 and 40,427.48 is: 60,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034.92 : 85,521.58 = 40,427.48 : x
  2. Step 2: Convert to fraction form
    57,034.92/85,521.58 = 40,427.48/x
  3. Step 3: Cross multiply
    57,034.92x = 85,521.58 × 40,427.48
  4. Step 4: Simplify right side
    57,034.92x = 3,457,421,965.02
  5. Step 5: Solve for x
    x = 3,457,421,965.02/57,034.92
  6. Step 6: Final answer
    x = 60,619.39

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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.