Home / 75,446.93-113,170.37-19,287.15

Finding the Fourth Proportional to 75,446.93, 113,170.37 and 19,287.15

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Solution

The fourth proportional to 75,446.93, 113,170.37 and 19,287.15 is: 28,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.93 : 113,170.37 = 19,287.15 : x
  2. Step 2: Convert to fraction form
    75,446.93/113,170.37 = 19,287.15/x
  3. Step 3: Cross multiply
    75,446.93x = 113,170.37 × 19,287.15
  4. Step 4: Simplify right side
    75,446.93x = 2,182,733,805.31
  5. Step 5: Solve for x
    x = 2,182,733,805.31/75,446.93
  6. Step 6: Final answer
    x = 28,930.72

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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.