Home / 32,719.43-49,079.42-13,989.80

Finding the Fourth Proportional to 32,719.43, 49,079.42 and 13,989.80

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Solution

The fourth proportional to 32,719.43, 49,079.42 and 13,989.80 is: 20,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.43 : 49,079.42 = 13,989.80 : x
  2. Step 2: Convert to fraction form
    32,719.43/49,079.42 = 13,989.80/x
  3. Step 3: Cross multiply
    32,719.43x = 49,079.42 × 13,989.80
  4. Step 4: Simplify right side
    32,719.43x = 686,610,954.57
  5. Step 5: Solve for x
    x = 686,610,954.57/32,719.43
  6. Step 6: Final answer
    x = 20,984.81

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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.