Home / 38,170.64-57,248.66-11,875.70

Finding the Fourth Proportional to 38,170.64, 57,248.66 and 11,875.70

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Solution

The fourth proportional to 38,170.64, 57,248.66 and 11,875.70 is: 17,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,170.64 : 57,248.66 = 11,875.70 : x
  2. Step 2: Convert to fraction form
    38,170.64/57,248.66 = 11,875.70/x
  3. Step 3: Cross multiply
    38,170.64x = 57,248.66 × 11,875.70
  4. Step 4: Simplify right side
    38,170.64x = 679,867,911.56
  5. Step 5: Solve for x
    x = 679,867,911.56/38,170.64
  6. Step 6: Final answer
    x = 17,811.28

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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.