Home / 30,247.52-45,356.96-10,523.61

Finding the Fourth Proportional to 30,247.52, 45,356.96 and 10,523.61

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Solution

The fourth proportional to 30,247.52, 45,356.96 and 10,523.61 is: 15,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.52 : 45,356.96 = 10,523.61 : x
  2. Step 2: Convert to fraction form
    30,247.52/45,356.96 = 10,523.61/x
  3. Step 3: Cross multiply
    30,247.52x = 45,356.96 × 10,523.61
  4. Step 4: Simplify right side
    30,247.52x = 477,318,984.13
  5. Step 5: Solve for x
    x = 477,318,984.13/30,247.52
  6. Step 6: Final answer
    x = 15,780.44

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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.