Home / 40,808.64-61,226.18-20,017.56

Finding the Fourth Proportional to 40,808.64, 61,226.18 and 20,017.56

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Solution

The fourth proportional to 40,808.64, 61,226.18 and 20,017.56 is: 30,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,808.64 : 61,226.18 = 20,017.56 : x
  2. Step 2: Convert to fraction form
    40,808.64/61,226.18 = 20,017.56/x
  3. Step 3: Cross multiply
    40,808.64x = 61,226.18 × 20,017.56
  4. Step 4: Simplify right side
    40,808.64x = 1,225,598,731.72
  5. Step 5: Solve for x
    x = 1,225,598,731.72/40,808.64
  6. Step 6: Final answer
    x = 30,032.82

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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.