Home / 27,430.46-41,147.10-8,711.95

Finding the Fourth Proportional to 27,430.46, 41,147.10 and 8,711.95

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Solution

The fourth proportional to 27,430.46, 41,147.10 and 8,711.95 is: 13,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.46 : 41,147.10 = 8,711.95 : x
  2. Step 2: Convert to fraction form
    27,430.46/41,147.10 = 8,711.95/x
  3. Step 3: Cross multiply
    27,430.46x = 41,147.10 × 8,711.95
  4. Step 4: Simplify right side
    27,430.46x = 358,471,434.29
  5. Step 5: Solve for x
    x = 358,471,434.29/27,430.46
  6. Step 6: Final answer
    x = 13,068.37

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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.