Home / 57,174.19-78,900.38-34,818.19

Finding the Fourth Proportional to 57,174.19, 78,900.38 and 34,818.19

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Solution

The fourth proportional to 57,174.19, 78,900.38 and 34,818.19 is: 48,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174.19 : 78,900.38 = 34,818.19 : x
  2. Step 2: Convert to fraction form
    57,174.19/78,900.38 = 34,818.19/x
  3. Step 3: Cross multiply
    57,174.19x = 78,900.38 × 34,818.19
  4. Step 4: Simplify right side
    57,174.19x = 2,747,168,181.14
  5. Step 5: Solve for x
    x = 2,747,168,181.14/57,174.19
  6. Step 6: Final answer
    x = 48,049.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.