Home / 38,372.41-52,951.85-21,144.23

Finding the Fourth Proportional to 38,372.41, 52,951.85 and 21,144.23

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Solution

The fourth proportional to 38,372.41, 52,951.85 and 21,144.23 is: 29,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.41 : 52,951.85 = 21,144.23 : x
  2. Step 2: Convert to fraction form
    38,372.41/52,951.85 = 21,144.23/x
  3. Step 3: Cross multiply
    38,372.41x = 52,951.85 × 21,144.23
  4. Step 4: Simplify right side
    38,372.41x = 1,119,626,095.33
  5. Step 5: Solve for x
    x = 1,119,626,095.33/38,372.41
  6. Step 6: Final answer
    x = 29,177.90

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Half scale
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Double scale
Find fourth proportional to 38,373.41, 52,953.23 and 21,145.23
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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.