Home / 30,251.79-45,377.60-8,065.26

Finding the Fourth Proportional to 30,251.79, 45,377.60 and 8,065.26

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Solution

The fourth proportional to 30,251.79, 45,377.60 and 8,065.26 is: 12,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.79 : 45,377.60 = 8,065.26 : x
  2. Step 2: Convert to fraction form
    30,251.79/45,377.60 = 8,065.26/x
  3. Step 3: Cross multiply
    30,251.79x = 45,377.60 × 8,065.26
  4. Step 4: Simplify right side
    30,251.79x = 365,982,101.85
  5. Step 5: Solve for x
    x = 365,982,101.85/30,251.79
  6. Step 6: Final answer
    x = 12,097.87

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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.