Home / 56,269.92-77,651.55-31,119.42

Finding the Fourth Proportional to 56,269.92, 77,651.55 and 31,119.42

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Solution

The fourth proportional to 56,269.92, 77,651.55 and 31,119.42 is: 42,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,269.92 : 77,651.55 = 31,119.42 : x
  2. Step 2: Convert to fraction form
    56,269.92/77,651.55 = 31,119.42/x
  3. Step 3: Cross multiply
    56,269.92x = 77,651.55 × 31,119.42
  4. Step 4: Simplify right side
    56,269.92x = 2,416,471,198.10
  5. Step 5: Solve for x
    x = 2,416,471,198.10/56,269.92
  6. Step 6: Final answer
    x = 42,944.28

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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.