Home / 38,012.39-52,456.17-21,016.19

Finding the Fourth Proportional to 38,012.39, 52,456.17 and 21,016.19

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Solution

The fourth proportional to 38,012.39, 52,456.17 and 21,016.19 is: 29,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.39 : 52,456.17 = 21,016.19 : x
  2. Step 2: Convert to fraction form
    38,012.39/52,456.17 = 21,016.19/x
  3. Step 3: Cross multiply
    38,012.39x = 52,456.17 × 21,016.19
  4. Step 4: Simplify right side
    38,012.39x = 1,102,428,730.31
  5. Step 5: Solve for x
    x = 1,102,428,730.31/38,012.39
  6. Step 6: Final answer
    x = 29,001.83

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Half scale
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Double scale
Find fourth proportional to 38,013.39, 52,457.54 and 21,017.19
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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.