Home / 40,082.04-55,313.28-22,177.80

Finding the Fourth Proportional to 40,082.04, 55,313.28 and 22,177.80

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Solution

The fourth proportional to 40,082.04, 55,313.28 and 22,177.80 is: 30,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082.04 : 55,313.28 = 22,177.80 : x
  2. Step 2: Convert to fraction form
    40,082.04/55,313.28 = 22,177.80/x
  3. Step 3: Cross multiply
    40,082.04x = 55,313.28 × 22,177.80
  4. Step 4: Simplify right side
    40,082.04x = 1,226,726,861.18
  5. Step 5: Solve for x
    x = 1,226,726,861.18/40,082.04
  6. Step 6: Final answer
    x = 30,605.40

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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.