Home / 40,705.24-61,080.54-21,984.88

Finding the Fourth Proportional to 40,705.24, 61,080.54 and 21,984.88

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Solution

The fourth proportional to 40,705.24, 61,080.54 and 21,984.88 is: 32,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,705.24 : 61,080.54 = 21,984.88 : x
  2. Step 2: Convert to fraction form
    40,705.24/61,080.54 = 21,984.88/x
  3. Step 3: Cross multiply
    40,705.24x = 61,080.54 × 21,984.88
  4. Step 4: Simplify right side
    40,705.24x = 1,342,848,342.24
  5. Step 5: Solve for x
    x = 1,342,848,342.24/40,705.24
  6. Step 6: Final answer
    x = 32,989.57

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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.