Home / 38,354.68-57,530.66-13,394.63

Finding the Fourth Proportional to 38,354.68, 57,530.66 and 13,394.63

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Solution

The fourth proportional to 38,354.68, 57,530.66 and 13,394.63 is: 20,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,354.68 : 57,530.66 = 13,394.63 : x
  2. Step 2: Convert to fraction form
    38,354.68/57,530.66 = 13,394.63/x
  3. Step 3: Cross multiply
    38,354.68x = 57,530.66 × 13,394.63
  4. Step 4: Simplify right side
    38,354.68x = 770,601,837.38
  5. Step 5: Solve for x
    x = 770,601,837.38/38,354.68
  6. Step 6: Final answer
    x = 20,091.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.