Home / 56,937.80-85,458.53-30,306.15

Finding the Fourth Proportional to 56,937.80, 85,458.53 and 30,306.15

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Solution

The fourth proportional to 56,937.80, 85,458.53 and 30,306.15 is: 45,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.80 : 85,458.53 = 30,306.15 : x
  2. Step 2: Convert to fraction form
    56,937.80/85,458.53 = 30,306.15/x
  3. Step 3: Cross multiply
    56,937.80x = 85,458.53 × 30,306.15
  4. Step 4: Simplify right side
    56,937.80x = 2,589,918,450.14
  5. Step 5: Solve for x
    x = 2,589,918,450.14/56,937.80
  6. Step 6: Final answer
    x = 45,486.80

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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.