Home / 38,197.55-57,259.42-13,218.82

Finding the Fourth Proportional to 38,197.55, 57,259.42 and 13,218.82

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Solution

The fourth proportional to 38,197.55, 57,259.42 and 13,218.82 is: 19,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,197.55 : 57,259.42 = 13,218.82 : x
  2. Step 2: Convert to fraction form
    38,197.55/57,259.42 = 13,218.82/x
  3. Step 3: Cross multiply
    38,197.55x = 57,259.42 × 13,218.82
  4. Step 4: Simplify right side
    38,197.55x = 756,901,966.28
  5. Step 5: Solve for x
    x = 756,901,966.28/38,197.55
  6. Step 6: Final answer
    x = 19,815.46

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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.