Home / 38,253.42-57,380.08-13,293.47

Finding the Fourth Proportional to 38,253.42, 57,380.08 and 13,293.47

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Solution

The fourth proportional to 38,253.42, 57,380.08 and 13,293.47 is: 19,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.42 : 57,380.08 = 13,293.47 : x
  2. Step 2: Convert to fraction form
    38,253.42/57,380.08 = 13,293.47/x
  3. Step 3: Cross multiply
    38,253.42x = 57,380.08 × 13,293.47
  4. Step 4: Simplify right side
    38,253.42x = 762,780,283.84
  5. Step 5: Solve for x
    x = 762,780,283.84/38,253.42
  6. Step 6: Final answer
    x = 19,940.19

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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.