Home / 43,529.68-65,294.52-12,360.88

Finding the Fourth Proportional to 43,529.68, 65,294.52 and 12,360.88

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Solution

The fourth proportional to 43,529.68, 65,294.52 and 12,360.88 is: 18,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,529.68 : 65,294.52 = 12,360.88 : x
  2. Step 2: Convert to fraction form
    43,529.68/65,294.52 = 12,360.88/x
  3. Step 3: Cross multiply
    43,529.68x = 65,294.52 × 12,360.88
  4. Step 4: Simplify right side
    43,529.68x = 807,097,726.38
  5. Step 5: Solve for x
    x = 807,097,726.38/43,529.68
  6. Step 6: Final answer
    x = 18,541.32

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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.