Home / 40,091.96-60,131.40-13,449.74

Finding the Fourth Proportional to 40,091.96, 60,131.40 and 13,449.74

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Solution

The fourth proportional to 40,091.96, 60,131.40 and 13,449.74 is: 20,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.96 : 60,131.40 = 13,449.74 : x
  2. Step 2: Convert to fraction form
    40,091.96/60,131.40 = 13,449.74/x
  3. Step 3: Cross multiply
    40,091.96x = 60,131.40 × 13,449.74
  4. Step 4: Simplify right side
    40,091.96x = 808,751,395.18
  5. Step 5: Solve for x
    x = 808,751,395.18/40,091.96
  6. Step 6: Final answer
    x = 20,172.41

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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.