Home / 56,320.92-77,722.20-31,170.96

Finding the Fourth Proportional to 56,320.92, 77,722.20 and 31,170.96

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Solution

The fourth proportional to 56,320.92, 77,722.20 and 31,170.96 is: 43,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320.92 : 77,722.20 = 31,170.96 : x
  2. Step 2: Convert to fraction form
    56,320.92/77,722.20 = 31,170.96/x
  3. Step 3: Cross multiply
    56,320.92x = 77,722.20 × 31,170.96
  4. Step 4: Simplify right side
    56,320.92x = 2,422,675,587.31
  5. Step 5: Solve for x
    x = 2,422,675,587.31/56,320.92
  6. Step 6: Final answer
    x = 43,015.55

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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.