Home / 31,867.65-47,802.29-17,819.82

Finding the Fourth Proportional to 31,867.65, 47,802.29 and 17,819.82

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Solution

The fourth proportional to 31,867.65, 47,802.29 and 17,819.82 is: 26,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.65 : 47,802.29 = 17,819.82 : x
  2. Step 2: Convert to fraction form
    31,867.65/47,802.29 = 17,819.82/x
  3. Step 3: Cross multiply
    31,867.65x = 47,802.29 × 17,819.82
  4. Step 4: Simplify right side
    31,867.65x = 851,828,114.29
  5. Step 5: Solve for x
    x = 851,828,114.29/31,867.65
  6. Step 6: Final answer
    x = 26,730.18

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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.