Home / 32,121.70-48,112.38-13,344.80

Finding the Fourth Proportional to 32,121.70, 48,112.38 and 13,344.80

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Solution

The fourth proportional to 32,121.70, 48,112.38 and 13,344.80 is: 19,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.70 : 48,112.38 = 13,344.80 : x
  2. Step 2: Convert to fraction form
    32,121.70/48,112.38 = 13,344.80/x
  3. Step 3: Cross multiply
    32,121.70x = 48,112.38 × 13,344.80
  4. Step 4: Simplify right side
    32,121.70x = 642,050,208.90
  5. Step 5: Solve for x
    x = 642,050,208.90/32,121.70
  6. Step 6: Final answer
    x = 19,988.05

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1.5x scale

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.