Home / 34,381.56-51,572.37-9,421.80

Finding the Fourth Proportional to 34,381.56, 51,572.37 and 9,421.80

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Solution

The fourth proportional to 34,381.56, 51,572.37 and 9,421.80 is: 14,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,381.56 : 51,572.37 = 9,421.80 : x
  2. Step 2: Convert to fraction form
    34,381.56/51,572.37 = 9,421.80/x
  3. Step 3: Cross multiply
    34,381.56x = 51,572.37 × 9,421.80
  4. Step 4: Simplify right side
    34,381.56x = 485,904,555.67
  5. Step 5: Solve for x
    x = 485,904,555.67/34,381.56
  6. Step 6: Final answer
    x = 14,132.71

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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.