Home / 38,314.12-52,872.97-21,547.12

Finding the Fourth Proportional to 38,314.12, 52,872.97 and 21,547.12

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Solution

The fourth proportional to 38,314.12, 52,872.97 and 21,547.12 is: 29,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.12 : 52,872.97 = 21,547.12 : x
  2. Step 2: Convert to fraction form
    38,314.12/52,872.97 = 21,547.12/x
  3. Step 3: Cross multiply
    38,314.12x = 52,872.97 × 21,547.12
  4. Step 4: Simplify right side
    38,314.12x = 1,139,260,043.30
  5. Step 5: Solve for x
    x = 1,139,260,043.30/38,314.12
  6. Step 6: Final answer
    x = 29,734.73

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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.