Home / 29,140.36-40,222.76-22,418.06

Finding the Fourth Proportional to 29,140.36, 40,222.76 and 22,418.06

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Solution

The fourth proportional to 29,140.36, 40,222.76 and 22,418.06 is: 30,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.36 : 40,222.76 = 22,418.06 : x
  2. Step 2: Convert to fraction form
    29,140.36/40,222.76 = 22,418.06/x
  3. Step 3: Cross multiply
    29,140.36x = 40,222.76 × 22,418.06
  4. Step 4: Simplify right side
    29,140.36x = 901,716,247.05
  5. Step 5: Solve for x
    x = 901,716,247.05/29,140.36
  6. Step 6: Final answer
    x = 30,943.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.