Home / 40,422.80-55,782.02-22,516.83

Finding the Fourth Proportional to 40,422.80, 55,782.02 and 22,516.83

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Solution

The fourth proportional to 40,422.80, 55,782.02 and 22,516.83 is: 31,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.80 : 55,782.02 = 22,516.83 : x
  2. Step 2: Convert to fraction form
    40,422.80/55,782.02 = 22,516.83/x
  3. Step 3: Cross multiply
    40,422.80x = 55,782.02 × 22,516.83
  4. Step 4: Simplify right side
    40,422.80x = 1,256,034,148.81
  5. Step 5: Solve for x
    x = 1,256,034,148.81/40,422.80
  6. Step 6: Final answer
    x = 31,072.42

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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.