Home / 38,077.12-52,545.48-21,080.96

Finding the Fourth Proportional to 38,077.12, 52,545.48 and 21,080.96

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Solution

The fourth proportional to 38,077.12, 52,545.48 and 21,080.96 is: 29,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.12 : 52,545.48 = 21,080.96 : x
  2. Step 2: Convert to fraction form
    38,077.12/52,545.48 = 21,080.96/x
  3. Step 3: Cross multiply
    38,077.12x = 52,545.48 × 21,080.96
  4. Step 4: Simplify right side
    38,077.12x = 1,107,709,162.06
  5. Step 5: Solve for x
    x = 1,107,709,162.06/38,077.12
  6. Step 6: Final answer
    x = 29,091.20

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Double scale
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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.