Home / 56,475.26-77,945.20-31,332.86

Finding the Fourth Proportional to 56,475.26, 77,945.20 and 31,332.86

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Solution

The fourth proportional to 56,475.26, 77,945.20 and 31,332.86 is: 43,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,475.26 : 77,945.20 = 31,332.86 : x
  2. Step 2: Convert to fraction form
    56,475.26/77,945.20 = 31,332.86/x
  3. Step 3: Cross multiply
    56,475.26x = 77,945.20 × 31,332.86
  4. Step 4: Simplify right side
    56,475.26x = 2,442,246,039.27
  5. Step 5: Solve for x
    x = 2,442,246,039.27/56,475.26
  6. Step 6: Final answer
    x = 43,244.53

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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.