Home / 32,129.64-44,340.60-20,188.56

Finding the Fourth Proportional to 32,129.64, 44,340.60 and 20,188.56

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Solution

The fourth proportional to 32,129.64, 44,340.60 and 20,188.56 is: 27,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.64 : 44,340.60 = 20,188.56 : x
  2. Step 2: Convert to fraction form
    32,129.64/44,340.60 = 20,188.56/x
  3. Step 3: Cross multiply
    32,129.64x = 44,340.60 × 20,188.56
  4. Step 4: Simplify right side
    32,129.64x = 895,172,863.54
  5. Step 5: Solve for x
    x = 895,172,863.54/32,129.64
  6. Step 6: Final answer
    x = 27,861.28

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1.5x scale

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.