Home / 34,115.47-47,079.67-18,802.56

Finding the Fourth Proportional to 34,115.47, 47,079.67 and 18,802.56

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Solution

The fourth proportional to 34,115.47, 47,079.67 and 18,802.56 is: 25,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,115.47 : 47,079.67 = 18,802.56 : x
  2. Step 2: Convert to fraction form
    34,115.47/47,079.67 = 18,802.56/x
  3. Step 3: Cross multiply
    34,115.47x = 47,079.67 × 18,802.56
  4. Step 4: Simplify right side
    34,115.47x = 885,218,449.50
  5. Step 5: Solve for x
    x = 885,218,449.50/34,115.47
  6. Step 6: Final answer
    x = 25,947.71

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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.