Home / 38,854.72-53,617.17-21,626.59

Finding the Fourth Proportional to 38,854.72, 53,617.17 and 21,626.59

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Solution

The fourth proportional to 38,854.72, 53,617.17 and 21,626.59 is: 29,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854.72 : 53,617.17 = 21,626.59 : x
  2. Step 2: Convert to fraction form
    38,854.72/53,617.17 = 21,626.59/x
  3. Step 3: Cross multiply
    38,854.72x = 53,617.17 × 21,626.59
  4. Step 4: Simplify right side
    38,854.72x = 1,159,556,552.55
  5. Step 5: Solve for x
    x = 1,159,556,552.55/38,854.72
  6. Step 6: Final answer
    x = 29,843.39

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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.