Home / 38,628.03-53,279.11-35,451.57

Finding the Fourth Proportional to 38,628.03, 53,279.11 and 35,451.57

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Solution

The fourth proportional to 38,628.03, 53,279.11 and 35,451.57 is: 48,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.03 : 53,279.11 = 35,451.57 : x
  2. Step 2: Convert to fraction form
    38,628.03/53,279.11 = 35,451.57/x
  3. Step 3: Cross multiply
    38,628.03x = 53,279.11 × 35,451.57
  4. Step 4: Simplify right side
    38,628.03x = 1,888,828,097.70
  5. Step 5: Solve for x
    x = 1,888,828,097.70/38,628.03
  6. Step 6: Final answer
    x = 48,897.86

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Similar ratio
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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.