Home / 57,240.68-78,992.16-31,750.97

Finding the Fourth Proportional to 57,240.68, 78,992.16 and 31,750.97

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Solution

The fourth proportional to 57,240.68, 78,992.16 and 31,750.97 is: 43,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.68 : 78,992.16 = 31,750.97 : x
  2. Step 2: Convert to fraction form
    57,240.68/78,992.16 = 31,750.97/x
  3. Step 3: Cross multiply
    57,240.68x = 78,992.16 × 31,750.97
  4. Step 4: Simplify right side
    57,240.68x = 2,508,077,702.40
  5. Step 5: Solve for x
    x = 2,508,077,702.40/57,240.68
  6. Step 6: Final answer
    x = 43,816.35

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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.