Home / 40,775.28-61,178.48-15,832.83

Finding the Fourth Proportional to 40,775.28, 61,178.48 and 15,832.83

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Solution

The fourth proportional to 40,775.28, 61,178.48 and 15,832.83 is: 23,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,775.28 : 61,178.48 = 15,832.83 : x
  2. Step 2: Convert to fraction form
    40,775.28/61,178.48 = 15,832.83/x
  3. Step 3: Cross multiply
    40,775.28x = 61,178.48 × 15,832.83
  4. Step 4: Simplify right side
    40,775.28x = 968,628,394.33
  5. Step 5: Solve for x
    x = 968,628,394.33/40,775.28
  6. Step 6: Final answer
    x = 23,755.28

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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.