Home / 34,480.26-47,581.20-20,330.46

Finding the Fourth Proportional to 34,480.26, 47,581.20 and 20,330.46

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Solution

The fourth proportional to 34,480.26, 47,581.20 and 20,330.46 is: 28,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.26 : 47,581.20 = 20,330.46 : x
  2. Step 2: Convert to fraction form
    34,480.26/47,581.20 = 20,330.46/x
  3. Step 3: Cross multiply
    34,480.26x = 47,581.20 × 20,330.46
  4. Step 4: Simplify right side
    34,480.26x = 967,347,683.35
  5. Step 5: Solve for x
    x = 967,347,683.35/34,480.26
  6. Step 6: Final answer
    x = 28,055.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.