Home / 45,440.91-62,691.03-28,205.19

Finding the Fourth Proportional to 45,440.91, 62,691.03 and 28,205.19

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Solution

The fourth proportional to 45,440.91, 62,691.03 and 28,205.19 is: 38,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,440.91 : 62,691.03 = 28,205.19 : x
  2. Step 2: Convert to fraction form
    45,440.91/62,691.03 = 28,205.19/x
  3. Step 3: Cross multiply
    45,440.91x = 62,691.03 × 28,205.19
  4. Step 4: Simplify right side
    45,440.91x = 1,768,212,412.45
  5. Step 5: Solve for x
    x = 1,768,212,412.45/45,440.91
  6. Step 6: Final answer
    x = 38,912.35

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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.