Home / 43,049.04-64,531.44-21,979.32

Finding the Fourth Proportional to 43,049.04, 64,531.44 and 21,979.32

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Solution

The fourth proportional to 43,049.04, 64,531.44 and 21,979.32 is: 32,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049.04 : 64,531.44 = 21,979.32 : x
  2. Step 2: Convert to fraction form
    43,049.04/64,531.44 = 21,979.32/x
  3. Step 3: Cross multiply
    43,049.04x = 64,531.44 × 21,979.32
  4. Step 4: Simplify right side
    43,049.04x = 1,418,357,169.82
  5. Step 5: Solve for x
    x = 1,418,357,169.82/43,049.04
  6. Step 6: Final answer
    x = 32,947.48

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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.