Home / 29,449.56-40,655.40-22,720.08

Finding the Fourth Proportional to 29,449.56, 40,655.40 and 22,720.08

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Solution

The fourth proportional to 29,449.56, 40,655.40 and 22,720.08 is: 31,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,449.56 : 40,655.40 = 22,720.08 : x
  2. Step 2: Convert to fraction form
    29,449.56/40,655.40 = 22,720.08/x
  3. Step 3: Cross multiply
    29,449.56x = 40,655.40 × 22,720.08
  4. Step 4: Simplify right side
    29,449.56x = 923,693,940.43
  5. Step 5: Solve for x
    x = 923,693,940.43/29,449.56
  6. Step 6: Final answer
    x = 31,365.29

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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.