Home / 60,441.26-90,638.37-20,449.53

Finding the Fourth Proportional to 60,441.26, 90,638.37 and 20,449.53

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Solution

The fourth proportional to 60,441.26, 90,638.37 and 20,449.53 is: 30,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,441.26 : 90,638.37 = 20,449.53 : x
  2. Step 2: Convert to fraction form
    60,441.26/90,638.37 = 20,449.53/x
  3. Step 3: Cross multiply
    60,441.26x = 90,638.37 × 20,449.53
  4. Step 4: Simplify right side
    60,441.26x = 1,853,512,066.47
  5. Step 5: Solve for x
    x = 1,853,512,066.47/60,441.26
  6. Step 6: Final answer
    x = 30,666.34

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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.