Home / 40,074.88-60,116.32-13,776.16

Finding the Fourth Proportional to 40,074.88, 60,116.32 and 13,776.16

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Solution

The fourth proportional to 40,074.88, 60,116.32 and 13,776.16 is: 20,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.88 : 60,116.32 = 13,776.16 : x
  2. Step 2: Convert to fraction form
    40,074.88/60,116.32 = 13,776.16/x
  3. Step 3: Cross multiply
    40,074.88x = 60,116.32 × 13,776.16
  4. Step 4: Simplify right side
    40,074.88x = 828,172,042.93
  5. Step 5: Solve for x
    x = 828,172,042.93/40,074.88
  6. Step 6: Final answer
    x = 20,665.62

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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.