Home / 40,418.80-55,781.52-22,513.36

Finding the Fourth Proportional to 40,418.80, 55,781.52 and 22,513.36

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Solution

The fourth proportional to 40,418.80, 55,781.52 and 22,513.36 is: 31,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.80 : 55,781.52 = 22,513.36 : x
  2. Step 2: Convert to fraction form
    40,418.80/55,781.52 = 22,513.36/x
  3. Step 3: Cross multiply
    40,418.80x = 55,781.52 × 22,513.36
  4. Step 4: Simplify right side
    40,418.80x = 1,255,829,441.11
  5. Step 5: Solve for x
    x = 1,255,829,441.11/40,418.80
  6. Step 6: Final answer
    x = 31,070.43

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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.