Home / 56,514.92-77,991.59-31,023.68

Finding the Fourth Proportional to 56,514.92, 77,991.59 and 31,023.68

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Solution

The fourth proportional to 56,514.92, 77,991.59 and 31,023.68 is: 42,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,514.92 : 77,991.59 = 31,023.68 : x
  2. Step 2: Convert to fraction form
    56,514.92/77,991.59 = 31,023.68/x
  3. Step 3: Cross multiply
    56,514.92x = 77,991.59 × 31,023.68
  4. Step 4: Simplify right side
    56,514.92x = 2,419,585,818.45
  5. Step 5: Solve for x
    x = 2,419,585,818.45/56,514.92
  6. Step 6: Final answer
    x = 42,813.23

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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.