Home / 40,015.71-60,023.61-13,720.68

Finding the Fourth Proportional to 40,015.71, 60,023.61 and 13,720.68

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Solution

The fourth proportional to 40,015.71, 60,023.61 and 13,720.68 is: 20,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.71 : 60,023.61 = 13,720.68 : x
  2. Step 2: Convert to fraction form
    40,015.71/60,023.61 = 13,720.68/x
  3. Step 3: Cross multiply
    40,015.71x = 60,023.61 × 13,720.68
  4. Step 4: Simplify right side
    40,015.71x = 823,564,745.25
  5. Step 5: Solve for x
    x = 823,564,745.25/40,015.71
  6. Step 6: Final answer
    x = 20,581.04

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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.