Home / 40,799.12-61,199.36-11,216.78

Finding the Fourth Proportional to 40,799.12, 61,199.36 and 11,216.78

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Solution

The fourth proportional to 40,799.12, 61,199.36 and 11,216.78 is: 16,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.12 : 61,199.36 = 11,216.78 : x
  2. Step 2: Convert to fraction form
    40,799.12/61,199.36 = 11,216.78/x
  3. Step 3: Cross multiply
    40,799.12x = 61,199.36 × 11,216.78
  4. Step 4: Simplify right side
    40,799.12x = 686,459,757.26
  5. Step 5: Solve for x
    x = 686,459,757.26/40,799.12
  6. Step 6: Final answer
    x = 16,825.36

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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.