Home / 29,112.68-43,632.48-12,453.13

Finding the Fourth Proportional to 29,112.68, 43,632.48 and 12,453.13

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Solution

The fourth proportional to 29,112.68, 43,632.48 and 12,453.13 is: 18,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.68 : 43,632.48 = 12,453.13 : x
  2. Step 2: Convert to fraction form
    29,112.68/43,632.48 = 12,453.13/x
  3. Step 3: Cross multiply
    29,112.68x = 43,632.48 × 12,453.13
  4. Step 4: Simplify right side
    29,112.68x = 543,360,945.66
  5. Step 5: Solve for x
    x = 543,360,945.66/29,112.68
  6. Step 6: Final answer
    x = 18,664.06

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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.