Home / 38,167.06-52,673.20-21,172.92

Finding the Fourth Proportional to 38,167.06, 52,673.20 and 21,172.92

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Solution

The fourth proportional to 38,167.06, 52,673.20 and 21,172.92 is: 29,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.06 : 52,673.20 = 21,172.92 : x
  2. Step 2: Convert to fraction form
    38,167.06/52,673.20 = 21,172.92/x
  3. Step 3: Cross multiply
    38,167.06x = 52,673.20 × 21,172.92
  4. Step 4: Simplify right side
    38,167.06x = 1,115,245,449.74
  5. Step 5: Solve for x
    x = 1,115,245,449.74/38,167.06
  6. Step 6: Final answer
    x = 29,220.10

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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.