Home / 47,561.28-65,623.20-30,791.04

Finding the Fourth Proportional to 47,561.28, 65,623.20 and 30,791.04

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Solution

The fourth proportional to 47,561.28, 65,623.20 and 30,791.04 is: 42,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,561.28 : 65,623.20 = 30,791.04 : x
  2. Step 2: Convert to fraction form
    47,561.28/65,623.20 = 30,791.04/x
  3. Step 3: Cross multiply
    47,561.28x = 65,623.20 × 30,791.04
  4. Step 4: Simplify right side
    47,561.28x = 2,020,606,576.13
  5. Step 5: Solve for x
    x = 2,020,606,576.13/47,561.28
  6. Step 6: Final answer
    x = 42,484.28

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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.