Home / 56,350.92-77,760.82-30,857.58

Finding the Fourth Proportional to 56,350.92, 77,760.82 and 30,857.58

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Solution

The fourth proportional to 56,350.92, 77,760.82 and 30,857.58 is: 42,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.92 : 77,760.82 = 30,857.58 : x
  2. Step 2: Convert to fraction form
    56,350.92/77,760.82 = 30,857.58/x
  3. Step 3: Cross multiply
    56,350.92x = 77,760.82 × 30,857.58
  4. Step 4: Simplify right side
    56,350.92x = 2,399,510,724.02
  5. Step 5: Solve for x
    x = 2,399,510,724.02/56,350.92
  6. Step 6: Final answer
    x = 42,581.57

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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.