Home / 40,080.24-60,119.74-13,785.21

Finding the Fourth Proportional to 40,080.24, 60,119.74 and 13,785.21

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Solution

The fourth proportional to 40,080.24, 60,119.74 and 13,785.21 is: 20,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.24 : 60,119.74 = 13,785.21 : x
  2. Step 2: Convert to fraction form
    40,080.24/60,119.74 = 13,785.21/x
  3. Step 3: Cross multiply
    40,080.24x = 60,119.74 × 13,785.21
  4. Step 4: Simplify right side
    40,080.24x = 828,762,974.91
  5. Step 5: Solve for x
    x = 828,762,974.91/40,080.24
  6. Step 6: Final answer
    x = 20,677.60

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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.