Home / 40,074.87-60,116.31-13,776.15

Finding the Fourth Proportional to 40,074.87, 60,116.31 and 13,776.15

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Solution

The fourth proportional to 40,074.87, 60,116.31 and 13,776.15 is: 20,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.87 : 60,116.31 = 13,776.15 : x
  2. Step 2: Convert to fraction form
    40,074.87/60,116.31 = 13,776.15/x
  3. Step 3: Cross multiply
    40,074.87x = 60,116.31 × 13,776.15
  4. Step 4: Simplify right side
    40,074.87x = 828,171,304.01
  5. Step 5: Solve for x
    x = 828,171,304.01/40,074.87
  6. Step 6: Final answer
    x = 20,665.60

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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.