Home / 40,157.36-60,291.21-20,449.16

Finding the Fourth Proportional to 40,157.36, 60,291.21 and 20,449.16

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Solution

The fourth proportional to 40,157.36, 60,291.21 and 20,449.16 is: 30,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.36 : 60,291.21 = 20,449.16 : x
  2. Step 2: Convert to fraction form
    40,157.36/60,291.21 = 20,449.16/x
  3. Step 3: Cross multiply
    40,157.36x = 60,291.21 × 20,449.16
  4. Step 4: Simplify right side
    40,157.36x = 1,232,904,599.88
  5. Step 5: Solve for x
    x = 1,232,904,599.88/40,157.36
  6. Step 6: Final answer
    x = 30,701.83

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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.