Home / 40,028.82-59,977.46-13,719.20

Finding the Fourth Proportional to 40,028.82, 59,977.46 and 13,719.20

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Solution

The fourth proportional to 40,028.82, 59,977.46 and 13,719.20 is: 20,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.82 : 59,977.46 = 13,719.20 : x
  2. Step 2: Convert to fraction form
    40,028.82/59,977.46 = 13,719.20/x
  3. Step 3: Cross multiply
    40,028.82x = 59,977.46 × 13,719.20
  4. Step 4: Simplify right side
    40,028.82x = 822,842,769.23
  5. Step 5: Solve for x
    x = 822,842,769.23/40,028.82
  6. Step 6: Final answer
    x = 20,556.26

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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.