Home / 40,082.18-55,313.16-22,176.86

Finding the Fourth Proportional to 40,082.18, 55,313.16 and 22,176.86

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Solution

The fourth proportional to 40,082.18, 55,313.16 and 22,176.86 is: 30,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082.18 : 55,313.16 = 22,176.86 : x
  2. Step 2: Convert to fraction form
    40,082.18/55,313.16 = 22,176.86/x
  3. Step 3: Cross multiply
    40,082.18x = 55,313.16 × 22,176.86
  4. Step 4: Simplify right side
    40,082.18x = 1,226,672,205.48
  5. Step 5: Solve for x
    x = 1,226,672,205.48/40,082.18
  6. Step 6: Final answer
    x = 30,603.93

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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.