Home / 38,242.73-52,776.56-21,246.91

Finding the Fourth Proportional to 38,242.73, 52,776.56 and 21,246.91

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Solution

The fourth proportional to 38,242.73, 52,776.56 and 21,246.91 is: 29,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,242.73 : 52,776.56 = 21,246.91 : x
  2. Step 2: Convert to fraction form
    38,242.73/52,776.56 = 21,246.91/x
  3. Step 3: Cross multiply
    38,242.73x = 52,776.56 × 21,246.91
  4. Step 4: Simplify right side
    38,242.73x = 1,121,338,741.61
  5. Step 5: Solve for x
    x = 1,121,338,741.61/38,242.73
  6. Step 6: Final answer
    x = 29,321.62

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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.