Home / 40,422.12-55,782.54-22,516.20

Finding the Fourth Proportional to 40,422.12, 55,782.54 and 22,516.20

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Solution

The fourth proportional to 40,422.12, 55,782.54 and 22,516.20 is: 31,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.12 : 55,782.54 = 22,516.20 : x
  2. Step 2: Convert to fraction form
    40,422.12/55,782.54 = 22,516.20/x
  3. Step 3: Cross multiply
    40,422.12x = 55,782.54 × 22,516.20
  4. Step 4: Simplify right side
    40,422.12x = 1,256,010,827.15
  5. Step 5: Solve for x
    x = 1,256,010,827.15/40,422.12
  6. Step 6: Final answer
    x = 31,072.36

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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.