Home / 38,732.64-53,449.08-21,734.76

Finding the Fourth Proportional to 38,732.64, 53,449.08 and 21,734.76

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Solution

The fourth proportional to 38,732.64, 53,449.08 and 21,734.76 is: 29,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732.64 : 53,449.08 = 21,734.76 : x
  2. Step 2: Convert to fraction form
    38,732.64/53,449.08 = 21,734.76/x
  3. Step 3: Cross multiply
    38,732.64x = 53,449.08 × 21,734.76
  4. Step 4: Simplify right side
    38,732.64x = 1,161,702,926.02
  5. Step 5: Solve for x
    x = 1,161,702,926.02/38,732.64
  6. Step 6: Final answer
    x = 29,992.87

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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.