Home / 29,617.12-44,432.96-20,869.12

Finding the Fourth Proportional to 29,617.12, 44,432.96 and 20,869.12

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Solution

The fourth proportional to 29,617.12, 44,432.96 and 20,869.12 is: 31,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.12 : 44,432.96 = 20,869.12 : x
  2. Step 2: Convert to fraction form
    29,617.12/44,432.96 = 20,869.12/x
  3. Step 3: Cross multiply
    29,617.12x = 44,432.96 × 20,869.12
  4. Step 4: Simplify right side
    29,617.12x = 927,276,774.20
  5. Step 5: Solve for x
    x = 927,276,774.20/29,617.12
  6. Step 6: Final answer
    x = 31,308.81

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1.5x scale

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.