Home / 40,488.80-55,877.04-22,339.43

Finding the Fourth Proportional to 40,488.80, 55,877.04 and 22,339.43

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Solution

The fourth proportional to 40,488.80, 55,877.04 and 22,339.43 is: 30,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.80 : 55,877.04 = 22,339.43 : x
  2. Step 2: Convert to fraction form
    40,488.80/55,877.04 = 22,339.43/x
  3. Step 3: Cross multiply
    40,488.80x = 55,877.04 × 22,339.43
  4. Step 4: Simplify right side
    40,488.80x = 1,248,261,153.84
  5. Step 5: Solve for x
    x = 1,248,261,153.84/40,488.80
  6. Step 6: Final answer
    x = 30,829.79

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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.