Home / 38,766.59-53,493.92-21,772.72

Finding the Fourth Proportional to 38,766.59, 53,493.92 and 21,772.72

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Solution

The fourth proportional to 38,766.59, 53,493.92 and 21,772.72 is: 30,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.59 : 53,493.92 = 21,772.72 : x
  2. Step 2: Convert to fraction form
    38,766.59/53,493.92 = 21,772.72/x
  3. Step 3: Cross multiply
    38,766.59x = 53,493.92 × 21,772.72
  4. Step 4: Simplify right side
    38,766.59x = 1,164,707,899.26
  5. Step 5: Solve for x
    x = 1,164,707,899.26/38,766.59
  6. Step 6: Final answer
    x = 30,044.11

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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.