Home / 34,458.12-47,557.41-21,037.20

Finding the Fourth Proportional to 34,458.12, 47,557.41 and 21,037.20

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Solution

The fourth proportional to 34,458.12, 47,557.41 and 21,037.20 is: 29,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,458.12 : 47,557.41 = 21,037.20 : x
  2. Step 2: Convert to fraction form
    34,458.12/47,557.41 = 21,037.20/x
  3. Step 3: Cross multiply
    34,458.12x = 47,557.41 × 21,037.20
  4. Step 4: Simplify right side
    34,458.12x = 1,000,474,745.65
  5. Step 5: Solve for x
    x = 1,000,474,745.65/34,458.12
  6. Step 6: Final answer
    x = 29,034.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.