Home / 57,161.16-78,882.24-31,667.57

Finding the Fourth Proportional to 57,161.16, 78,882.24 and 31,667.57

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Solution

The fourth proportional to 57,161.16, 78,882.24 and 31,667.57 is: 43,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,161.16 : 78,882.24 = 31,667.57 : x
  2. Step 2: Convert to fraction form
    57,161.16/78,882.24 = 31,667.57/x
  3. Step 3: Cross multiply
    57,161.16x = 78,882.24 × 31,667.57
  4. Step 4: Simplify right side
    57,161.16x = 2,498,008,462.55
  5. Step 5: Solve for x
    x = 2,498,008,462.55/57,161.16
  6. Step 6: Final answer
    x = 43,701.15

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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.