Home / 40,807.64-61,224.68-20,016.56

Finding the Fourth Proportional to 40,807.64, 61,224.68 and 20,016.56

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Solution

The fourth proportional to 40,807.64, 61,224.68 and 20,016.56 is: 30,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.64 : 61,224.68 = 20,016.56 : x
  2. Step 2: Convert to fraction form
    40,807.64/61,224.68 = 20,016.56/x
  3. Step 3: Cross multiply
    40,807.64x = 61,224.68 × 20,016.56
  4. Step 4: Simplify right side
    40,807.64x = 1,225,507,224.62
  5. Step 5: Solve for x
    x = 1,225,507,224.62/40,807.64
  6. Step 6: Final answer
    x = 30,031.32

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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.