Home / 40,723.56-61,103.16-18,539.28

Finding the Fourth Proportional to 40,723.56, 61,103.16 and 18,539.28

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Solution

The fourth proportional to 40,723.56, 61,103.16 and 18,539.28 is: 27,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723.56 : 61,103.16 = 18,539.28 : x
  2. Step 2: Convert to fraction form
    40,723.56/61,103.16 = 18,539.28/x
  3. Step 3: Cross multiply
    40,723.56x = 61,103.16 × 18,539.28
  4. Step 4: Simplify right side
    40,723.56x = 1,132,808,592.12
  5. Step 5: Solve for x
    x = 1,132,808,592.12/40,723.56
  6. Step 6: Final answer
    x = 27,817.03

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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.