Home / 40,087.04-55,320.18-22,182.80

Finding the Fourth Proportional to 40,087.04, 55,320.18 and 22,182.80

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Solution

The fourth proportional to 40,087.04, 55,320.18 and 22,182.80 is: 30,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,087.04 : 55,320.18 = 22,182.80 : x
  2. Step 2: Convert to fraction form
    40,087.04/55,320.18 = 22,182.80/x
  3. Step 3: Cross multiply
    40,087.04x = 55,320.18 × 22,182.80
  4. Step 4: Simplify right side
    40,087.04x = 1,227,156,488.90
  5. Step 5: Solve for x
    x = 1,227,156,488.90/40,087.04
  6. Step 6: Final answer
    x = 30,612.30

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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.