Home / 40,394.24-55,745-22,490.45

Finding the Fourth Proportional to 40,394.24, 55,745 and 22,490.45

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Solution

The fourth proportional to 40,394.24, 55,745 and 22,490.45 is: 31,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.24 : 55,745 = 22,490.45 : x
  2. Step 2: Convert to fraction form
    40,394.24/55,745 = 22,490.45/x
  3. Step 3: Cross multiply
    40,394.24x = 55,745 × 22,490.45
  4. Step 4: Simplify right side
    40,394.24x = 1,253,730,135.25
  5. Step 5: Solve for x
    x = 1,253,730,135.25/40,394.24
  6. Step 6: Final answer
    x = 31,037.35

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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.