Home / 57,240.16-78,995.46-31,754.68

Finding the Fourth Proportional to 57,240.16, 78,995.46 and 31,754.68

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Solution

The fourth proportional to 57,240.16, 78,995.46 and 31,754.68 is: 43,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.16 : 78,995.46 = 31,754.68 : x
  2. Step 2: Convert to fraction form
    57,240.16/78,995.46 = 31,754.68/x
  3. Step 3: Cross multiply
    57,240.16x = 78,995.46 × 31,754.68
  4. Step 4: Simplify right side
    57,240.16x = 2,508,475,553.75
  5. Step 5: Solve for x
    x = 2,508,475,553.75/57,240.16
  6. Step 6: Final answer
    x = 43,823.70

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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.