Home / 43,731.76-65,607.18-14,152.58

Finding the Fourth Proportional to 43,731.76, 65,607.18 and 14,152.58

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Solution

The fourth proportional to 43,731.76, 65,607.18 and 14,152.58 is: 21,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,731.76 : 65,607.18 = 14,152.58 : x
  2. Step 2: Convert to fraction form
    43,731.76/65,607.18 = 14,152.58/x
  3. Step 3: Cross multiply
    43,731.76x = 65,607.18 × 14,152.58
  4. Step 4: Simplify right side
    43,731.76x = 928,510,863.52
  5. Step 5: Solve for x
    x = 928,510,863.52/43,731.76
  6. Step 6: Final answer
    x = 21,231.96

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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.