Home / 40,778.92-56,249.86-26,981.16

Finding the Fourth Proportional to 40,778.92, 56,249.86 and 26,981.16

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Solution

The fourth proportional to 40,778.92, 56,249.86 and 26,981.16 is: 37,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.92 : 56,249.86 = 26,981.16 : x
  2. Step 2: Convert to fraction form
    40,778.92/56,249.86 = 26,981.16/x
  3. Step 3: Cross multiply
    40,778.92x = 56,249.86 × 26,981.16
  4. Step 4: Simplify right side
    40,778.92x = 1,517,686,472.64
  5. Step 5: Solve for x
    x = 1,517,686,472.64/40,778.92
  6. Step 6: Final answer
    x = 37,217.43

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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.