Home / 38,125.85-52,612.97-21,993.08

Finding the Fourth Proportional to 38,125.85, 52,612.97 and 21,993.08

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Solution

The fourth proportional to 38,125.85, 52,612.97 and 21,993.08 is: 30,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125.85 : 52,612.97 = 21,993.08 : x
  2. Step 2: Convert to fraction form
    38,125.85/52,612.97 = 21,993.08/x
  3. Step 3: Cross multiply
    38,125.85x = 52,612.97 × 21,993.08
  4. Step 4: Simplify right side
    38,125.85x = 1,157,120,885.22
  5. Step 5: Solve for x
    x = 1,157,120,885.22/38,125.85
  6. Step 6: Final answer
    x = 30,350.04

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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.