Home / 40,015.24-60,022.86-13,720.21

Finding the Fourth Proportional to 40,015.24, 60,022.86 and 13,720.21

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Solution

The fourth proportional to 40,015.24, 60,022.86 and 13,720.21 is: 20,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.24 : 60,022.86 = 13,720.21 : x
  2. Step 2: Convert to fraction form
    40,015.24/60,022.86 = 13,720.21/x
  3. Step 3: Cross multiply
    40,015.24x = 60,022.86 × 13,720.21
  4. Step 4: Simplify right side
    40,015.24x = 823,526,370.48
  5. Step 5: Solve for x
    x = 823,526,370.48/40,015.24
  6. Step 6: Final answer
    x = 20,580.32

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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.