Home / 29,434.96-40,639.78-22,616.82

Finding the Fourth Proportional to 29,434.96, 40,639.78 and 22,616.82

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Solution

The fourth proportional to 29,434.96, 40,639.78 and 22,616.82 is: 31,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.96 : 40,639.78 = 22,616.82 : x
  2. Step 2: Convert to fraction form
    29,434.96/40,639.78 = 22,616.82/x
  3. Step 3: Cross multiply
    29,434.96x = 40,639.78 × 22,616.82
  4. Step 4: Simplify right side
    29,434.96x = 919,142,589.10
  5. Step 5: Solve for x
    x = 919,142,589.10/29,434.96
  6. Step 6: Final answer
    x = 31,226.22

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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.