Home / 38,149.10-57,207.45-18,433.70

Finding the Fourth Proportional to 38,149.10, 57,207.45 and 18,433.70

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Solution

The fourth proportional to 38,149.10, 57,207.45 and 18,433.70 is: 27,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.10 : 57,207.45 = 18,433.70 : x
  2. Step 2: Convert to fraction form
    38,149.10/57,207.45 = 18,433.70/x
  3. Step 3: Cross multiply
    38,149.10x = 57,207.45 × 18,433.70
  4. Step 4: Simplify right side
    38,149.10x = 1,054,544,971.07
  5. Step 5: Solve for x
    x = 1,054,544,971.07/38,149.10
  6. Step 6: Final answer
    x = 27,642.72

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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.