Home / 40,880.58-61,337.88-21,163.56

Finding the Fourth Proportional to 40,880.58, 61,337.88 and 21,163.56

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Solution

The fourth proportional to 40,880.58, 61,337.88 and 21,163.56 is: 31,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880.58 : 61,337.88 = 21,163.56 : x
  2. Step 2: Convert to fraction form
    40,880.58/61,337.88 = 21,163.56/x
  3. Step 3: Cross multiply
    40,880.58x = 61,337.88 × 21,163.56
  4. Step 4: Simplify right side
    40,880.58x = 1,298,127,903.65
  5. Step 5: Solve for x
    x = 1,298,127,903.65/40,880.58
  6. Step 6: Final answer
    x = 31,754.15

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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.