Home / 48,562.20-67,008-30,666.84

Finding the Fourth Proportional to 48,562.20, 67,008 and 30,666.84

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Solution

The fourth proportional to 48,562.20, 67,008 and 30,666.84 is: 42,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,562.20 : 67,008 = 30,666.84 : x
  2. Step 2: Convert to fraction form
    48,562.20/67,008 = 30,666.84/x
  3. Step 3: Cross multiply
    48,562.20x = 67,008 × 30,666.84
  4. Step 4: Simplify right side
    48,562.20x = 2,054,923,614.72
  5. Step 5: Solve for x
    x = 2,054,923,614.72/48,562.20
  6. Step 6: Final answer
    x = 42,315.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.