Home / 38,377.11-52,958.30-21,146.08

Finding the Fourth Proportional to 38,377.11, 52,958.30 and 21,146.08

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Solution

The fourth proportional to 38,377.11, 52,958.30 and 21,146.08 is: 29,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.11 : 52,958.30 = 21,146.08 : x
  2. Step 2: Convert to fraction form
    38,377.11/52,958.30 = 21,146.08/x
  3. Step 3: Cross multiply
    38,377.11x = 52,958.30 × 21,146.08
  4. Step 4: Simplify right side
    38,377.11x = 1,119,860,448.46
  5. Step 5: Solve for x
    x = 1,119,860,448.46/38,377.11
  6. Step 6: Final answer
    x = 29,180.43

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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.