Home / 30,252.90-45,339.92-15,449.34

Finding the Fourth Proportional to 30,252.90, 45,339.92 and 15,449.34

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Solution

The fourth proportional to 30,252.90, 45,339.92 and 15,449.34 is: 23,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.90 : 45,339.92 = 15,449.34 : x
  2. Step 2: Convert to fraction form
    30,252.90/45,339.92 = 15,449.34/x
  3. Step 3: Cross multiply
    30,252.90x = 45,339.92 × 15,449.34
  4. Step 4: Simplify right side
    30,252.90x = 700,471,839.65
  5. Step 5: Solve for x
    x = 700,471,839.65/30,252.90
  6. Step 6: Final answer
    x = 23,153.87

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1.5x scale

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.