Home / 57,748.80-86,615.88-18,306.24

Finding the Fourth Proportional to 57,748.80, 86,615.88 and 18,306.24

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Solution

The fourth proportional to 57,748.80, 86,615.88 and 18,306.24 is: 27,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.80 : 86,615.88 = 18,306.24 : x
  2. Step 2: Convert to fraction form
    57,748.80/86,615.88 = 18,306.24/x
  3. Step 3: Cross multiply
    57,748.80x = 86,615.88 × 18,306.24
  4. Step 4: Simplify right side
    57,748.80x = 1,585,611,087.09
  5. Step 5: Solve for x
    x = 1,585,611,087.09/57,748.80
  6. Step 6: Final answer
    x = 27,457.04

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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.