Home / 30,247.56-45,371.29-8,061.02

Finding the Fourth Proportional to 30,247.56, 45,371.29 and 8,061.02

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Solution

The fourth proportional to 30,247.56, 45,371.29 and 8,061.02 is: 12,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.56 : 45,371.29 = 8,061.02 : x
  2. Step 2: Convert to fraction form
    30,247.56/45,371.29 = 8,061.02/x
  3. Step 3: Cross multiply
    30,247.56x = 45,371.29 × 8,061.02
  4. Step 4: Simplify right side
    30,247.56x = 365,738,876.12
  5. Step 5: Solve for x
    x = 365,738,876.12/30,247.56
  6. Step 6: Final answer
    x = 12,091.52

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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.