Home / 29,020.20-43,530.37-12,369.61

Finding the Fourth Proportional to 29,020.20, 43,530.37 and 12,369.61

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Solution

The fourth proportional to 29,020.20, 43,530.37 and 12,369.61 is: 18,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.20 : 43,530.37 = 12,369.61 : x
  2. Step 2: Convert to fraction form
    29,020.20/43,530.37 = 12,369.61/x
  3. Step 3: Cross multiply
    29,020.20x = 43,530.37 × 12,369.61
  4. Step 4: Simplify right side
    29,020.20x = 538,453,810.52
  5. Step 5: Solve for x
    x = 538,453,810.52/29,020.20
  6. Step 6: Final answer
    x = 18,554.45

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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.