Home / 37,451.41-51,683.35-20,456.15

Finding the Fourth Proportional to 37,451.41, 51,683.35 and 20,456.15

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Solution

The fourth proportional to 37,451.41, 51,683.35 and 20,456.15 is: 28,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,451.41 : 51,683.35 = 20,456.15 : x
  2. Step 2: Convert to fraction form
    37,451.41/51,683.35 = 20,456.15/x
  3. Step 3: Cross multiply
    37,451.41x = 51,683.35 × 20,456.15
  4. Step 4: Simplify right side
    37,451.41x = 1,057,242,088.90
  5. Step 5: Solve for x
    x = 1,057,242,088.90/37,451.41
  6. Step 6: Final answer
    x = 28,229.70

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Double scale
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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.