Home / 56,327.96-77,731.41-30,833.70

Finding the Fourth Proportional to 56,327.96, 77,731.41 and 30,833.70

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Solution

The fourth proportional to 56,327.96, 77,731.41 and 30,833.70 is: 42,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,327.96 : 77,731.41 = 30,833.70 : x
  2. Step 2: Convert to fraction form
    56,327.96/77,731.41 = 30,833.70/x
  3. Step 3: Cross multiply
    56,327.96x = 77,731.41 × 30,833.70
  4. Step 4: Simplify right side
    56,327.96x = 2,396,746,976.52
  5. Step 5: Solve for x
    x = 2,396,746,976.52/56,327.96
  6. Step 6: Final answer
    x = 42,549.86

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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.