Home / 43,056.47-64,585.92-11,891.72

Finding the Fourth Proportional to 43,056.47, 64,585.92 and 11,891.72

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Solution

The fourth proportional to 43,056.47, 64,585.92 and 11,891.72 is: 17,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,056.47 : 64,585.92 = 11,891.72 : x
  2. Step 2: Convert to fraction form
    43,056.47/64,585.92 = 11,891.72/x
  3. Step 3: Cross multiply
    43,056.47x = 64,585.92 × 11,891.72
  4. Step 4: Simplify right side
    43,056.47x = 768,037,353.65
  5. Step 5: Solve for x
    x = 768,037,353.65/43,056.47
  6. Step 6: Final answer
    x = 17,837.91

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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.