Home / 32,418.60-44,693.28-20,475.96

Finding the Fourth Proportional to 32,418.60, 44,693.28 and 20,475.96

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Solution

The fourth proportional to 32,418.60, 44,693.28 and 20,475.96 is: 28,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.60 : 44,693.28 = 20,475.96 : x
  2. Step 2: Convert to fraction form
    32,418.60/44,693.28 = 20,475.96/x
  3. Step 3: Cross multiply
    32,418.60x = 44,693.28 × 20,475.96
  4. Step 4: Simplify right side
    32,418.60x = 915,137,813.55
  5. Step 5: Solve for x
    x = 915,137,813.55/32,418.60
  6. Step 6: Final answer
    x = 28,228.79

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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.