Home / 38,191.46-52,707.39-21,197.30

Finding the Fourth Proportional to 38,191.46, 52,707.39 and 21,197.30

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Solution

The fourth proportional to 38,191.46, 52,707.39 and 21,197.30 is: 29,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.46 : 52,707.39 = 21,197.30 : x
  2. Step 2: Convert to fraction form
    38,191.46/52,707.39 = 21,197.30/x
  3. Step 3: Cross multiply
    38,191.46x = 52,707.39 × 21,197.30
  4. Step 4: Simplify right side
    38,191.46x = 1,117,254,358.05
  5. Step 5: Solve for x
    x = 1,117,254,358.05/38,191.46
  6. Step 6: Final answer
    x = 29,254.04

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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.