Home / 40,560.26-60,840.79-10,978.38

Finding the Fourth Proportional to 40,560.26, 60,840.79 and 10,978.38

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Solution

The fourth proportional to 40,560.26, 60,840.79 and 10,978.38 is: 16,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,560.26 : 60,840.79 = 10,978.38 : x
  2. Step 2: Convert to fraction form
    40,560.26/60,840.79 = 10,978.38/x
  3. Step 3: Cross multiply
    40,560.26x = 60,840.79 × 10,978.38
  4. Step 4: Simplify right side
    40,560.26x = 667,933,284.67
  5. Step 5: Solve for x
    x = 667,933,284.67/40,560.26
  6. Step 6: Final answer
    x = 16,467.68

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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.