Home / 38,197.13-52,712.10-21,200.76

Finding the Fourth Proportional to 38,197.13, 52,712.10 and 21,200.76

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Solution

The fourth proportional to 38,197.13, 52,712.10 and 21,200.76 is: 29,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,197.13 : 52,712.10 = 21,200.76 : x
  2. Step 2: Convert to fraction form
    38,197.13/52,712.10 = 21,200.76/x
  3. Step 3: Cross multiply
    38,197.13x = 52,712.10 × 21,200.76
  4. Step 4: Simplify right side
    38,197.13x = 1,117,536,581.20
  5. Step 5: Solve for x
    x = 1,117,536,581.20/38,197.13
  6. Step 6: Final answer
    x = 29,257.09

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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.