Home / 30,370.44-45,552.28-8,186.02

Finding the Fourth Proportional to 30,370.44, 45,552.28 and 8,186.02

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Solution

The fourth proportional to 30,370.44, 45,552.28 and 8,186.02 is: 12,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.44 : 45,552.28 = 8,186.02 : x
  2. Step 2: Convert to fraction form
    30,370.44/45,552.28 = 8,186.02/x
  3. Step 3: Cross multiply
    30,370.44x = 45,552.28 × 8,186.02
  4. Step 4: Simplify right side
    30,370.44x = 372,891,875.13
  5. Step 5: Solve for x
    x = 372,891,875.13/30,370.44
  6. Step 6: Final answer
    x = 12,278.12

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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.