Home / 43,129.65-64,672.59-19,736.04

Finding the Fourth Proportional to 43,129.65, 64,672.59 and 19,736.04

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Solution

The fourth proportional to 43,129.65, 64,672.59 and 19,736.04 is: 29,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,129.65 : 64,672.59 = 19,736.04 : x
  2. Step 2: Convert to fraction form
    43,129.65/64,672.59 = 19,736.04/x
  3. Step 3: Cross multiply
    43,129.65x = 64,672.59 × 19,736.04
  4. Step 4: Simplify right side
    43,129.65x = 1,276,380,823.14
  5. Step 5: Solve for x
    x = 1,276,380,823.14/43,129.65
  6. Step 6: Final answer
    x = 29,594.05

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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.