Home / 30,155.13-45,260.45-15,375.06

Finding the Fourth Proportional to 30,155.13, 45,260.45 and 15,375.06

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Solution

The fourth proportional to 30,155.13, 45,260.45 and 15,375.06 is: 23,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.13 : 45,260.45 = 15,375.06 : x
  2. Step 2: Convert to fraction form
    30,155.13/45,260.45 = 15,375.06/x
  3. Step 3: Cross multiply
    30,155.13x = 45,260.45 × 15,375.06
  4. Step 4: Simplify right side
    30,155.13x = 695,882,057.50
  5. Step 5: Solve for x
    x = 695,882,057.50/30,155.13
  6. Step 6: Final answer
    x = 23,076.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.