Home / 32,913.87-49,347.77-12,131.79

Finding the Fourth Proportional to 32,913.87, 49,347.77 and 12,131.79

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Solution

The fourth proportional to 32,913.87, 49,347.77 and 12,131.79 is: 18,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.87 : 49,347.77 = 12,131.79 : x
  2. Step 2: Convert to fraction form
    32,913.87/49,347.77 = 12,131.79/x
  3. Step 3: Cross multiply
    32,913.87x = 49,347.77 × 12,131.79
  4. Step 4: Simplify right side
    32,913.87x = 598,676,721.95
  5. Step 5: Solve for x
    x = 598,676,721.95/32,913.87
  6. Step 6: Final answer
    x = 18,189.19

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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.