Home / 30,251.06-45,378.75-8,064.32

Finding the Fourth Proportional to 30,251.06, 45,378.75 and 8,064.32

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Solution

The fourth proportional to 30,251.06, 45,378.75 and 8,064.32 is: 12,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.06 : 45,378.75 = 8,064.32 : x
  2. Step 2: Convert to fraction form
    30,251.06/45,378.75 = 8,064.32/x
  3. Step 3: Cross multiply
    30,251.06x = 45,378.75 × 8,064.32
  4. Step 4: Simplify right side
    30,251.06x = 365,948,761.20
  5. Step 5: Solve for x
    x = 365,948,761.20/30,251.06
  6. Step 6: Final answer
    x = 12,097.06

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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.