Home / 40,249.18-55,541.08-22,342.78

Finding the Fourth Proportional to 40,249.18, 55,541.08 and 22,342.78

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Solution

The fourth proportional to 40,249.18, 55,541.08 and 22,342.78 is: 30,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,249.18 : 55,541.08 = 22,342.78 : x
  2. Step 2: Convert to fraction form
    40,249.18/55,541.08 = 22,342.78/x
  3. Step 3: Cross multiply
    40,249.18x = 55,541.08 × 22,342.78
  4. Step 4: Simplify right side
    40,249.18x = 1,240,941,741.98
  5. Step 5: Solve for x
    x = 1,240,941,741.98/40,249.18
  6. Step 6: Final answer
    x = 30,831.48

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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.