Home / 38,314.79-57,469.80-18,338.47

Finding the Fourth Proportional to 38,314.79, 57,469.80 and 18,338.47

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Solution

The fourth proportional to 38,314.79, 57,469.80 and 18,338.47 is: 27,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.79 : 57,469.80 = 18,338.47 : x
  2. Step 2: Convert to fraction form
    38,314.79/57,469.80 = 18,338.47/x
  3. Step 3: Cross multiply
    38,314.79x = 57,469.80 × 18,338.47
  4. Step 4: Simplify right side
    38,314.79x = 1,053,908,203.21
  5. Step 5: Solve for x
    x = 1,053,908,203.21/38,314.79
  6. Step 6: Final answer
    x = 27,506.56

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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.