Home / 76,570.12-114,846.06-20,414.44

Finding the Fourth Proportional to 76,570.12, 114,846.06 and 20,414.44

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Solution

The fourth proportional to 76,570.12, 114,846.06 and 20,414.44 is: 30,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,570.12 : 114,846.06 = 20,414.44 : x
  2. Step 2: Convert to fraction form
    76,570.12/114,846.06 = 20,414.44/x
  3. Step 3: Cross multiply
    76,570.12x = 114,846.06 × 20,414.44
  4. Step 4: Simplify right side
    76,570.12x = 2,344,518,001.11
  5. Step 5: Solve for x
    x = 2,344,518,001.11/76,570.12
  6. Step 6: Final answer
    x = 30,619.23

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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.