Home / 30,479.24-45,722.10-8,292.94

Finding the Fourth Proportional to 30,479.24, 45,722.10 and 8,292.94

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Solution

The fourth proportional to 30,479.24, 45,722.10 and 8,292.94 is: 12,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.24 : 45,722.10 = 8,292.94 : x
  2. Step 2: Convert to fraction form
    30,479.24/45,722.10 = 8,292.94/x
  3. Step 3: Cross multiply
    30,479.24x = 45,722.10 × 8,292.94
  4. Step 4: Simplify right side
    30,479.24x = 379,170,631.97
  5. Step 5: Solve for x
    x = 379,170,631.97/30,479.24
  6. Step 6: Final answer
    x = 12,440.29

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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.