Home / 34,508.16-47,617.20-20,360.88

Finding the Fourth Proportional to 34,508.16, 47,617.20 and 20,360.88

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Solution

The fourth proportional to 34,508.16, 47,617.20 and 20,360.88 is: 28,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,508.16 : 47,617.20 = 20,360.88 : x
  2. Step 2: Convert to fraction form
    34,508.16/47,617.20 = 20,360.88/x
  3. Step 3: Cross multiply
    34,508.16x = 47,617.20 × 20,360.88
  4. Step 4: Simplify right side
    34,508.16x = 969,528,095.14
  5. Step 5: Solve for x
    x = 969,528,095.14/34,508.16
  6. Step 6: Final answer
    x = 28,095.62

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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.