Home / 55,520.92-76,624.14-30,374.20

Finding the Fourth Proportional to 55,520.92, 76,624.14 and 30,374.20

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Solution

The fourth proportional to 55,520.92, 76,624.14 and 30,374.20 is: 41,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.92 : 76,624.14 = 30,374.20 : x
  2. Step 2: Convert to fraction form
    55,520.92/76,624.14 = 30,374.20/x
  3. Step 3: Cross multiply
    55,520.92x = 76,624.14 × 30,374.20
  4. Step 4: Simplify right side
    55,520.92x = 2,327,396,953.19
  5. Step 5: Solve for x
    x = 2,327,396,953.19/55,520.92
  6. Step 6: Final answer
    x = 41,919.28

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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.