Home / 47,082.28-70,623.28-12,021.92

Finding the Fourth Proportional to 47,082.28, 70,623.28 and 12,021.92

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Solution

The fourth proportional to 47,082.28, 70,623.28 and 12,021.92 is: 18,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,082.28 : 70,623.28 = 12,021.92 : x
  2. Step 2: Convert to fraction form
    47,082.28/70,623.28 = 12,021.92/x
  3. Step 3: Cross multiply
    47,082.28x = 70,623.28 × 12,021.92
  4. Step 4: Simplify right side
    47,082.28x = 849,027,422.30
  5. Step 5: Solve for x
    x = 849,027,422.30/47,082.28
  6. Step 6: Final answer
    x = 18,032.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.