Home / 60,440.26-90,636.87-20,448.53

Finding the Fourth Proportional to 60,440.26, 90,636.87 and 20,448.53

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Solution

The fourth proportional to 60,440.26, 90,636.87 and 20,448.53 is: 30,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,440.26 : 90,636.87 = 20,448.53 : x
  2. Step 2: Convert to fraction form
    60,440.26/90,636.87 = 20,448.53/x
  3. Step 3: Cross multiply
    60,440.26x = 90,636.87 × 20,448.53
  4. Step 4: Simplify right side
    60,440.26x = 1,853,390,755.30
  5. Step 5: Solve for x
    x = 1,853,390,755.30/60,440.26
  6. Step 6: Final answer
    x = 30,664.84

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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.