Home / 30,390.31-45,601.26-22,992.58

Finding the Fourth Proportional to 30,390.31, 45,601.26 and 22,992.58

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Solution

The fourth proportional to 30,390.31, 45,601.26 and 22,992.58 is: 34,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.31 : 45,601.26 = 22,992.58 : x
  2. Step 2: Convert to fraction form
    30,390.31/45,601.26 = 22,992.58/x
  3. Step 3: Cross multiply
    30,390.31x = 45,601.26 × 22,992.58
  4. Step 4: Simplify right side
    30,390.31x = 1,048,490,618.65
  5. Step 5: Solve for x
    x = 1,048,490,618.65/30,390.31
  6. Step 6: Final answer
    x = 34,500.82

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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.