Home / 40,336.94-55,665.89-22,431.29

Finding the Fourth Proportional to 40,336.94, 55,665.89 and 22,431.29

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Solution

The fourth proportional to 40,336.94, 55,665.89 and 22,431.29 is: 30,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.94 : 55,665.89 = 22,431.29 : x
  2. Step 2: Convert to fraction form
    40,336.94/55,665.89 = 22,431.29/x
  3. Step 3: Cross multiply
    40,336.94x = 55,665.89 × 22,431.29
  4. Step 4: Simplify right side
    40,336.94x = 1,248,657,331.21
  5. Step 5: Solve for x
    x = 1,248,657,331.21/40,336.94
  6. Step 6: Final answer
    x = 30,955.68

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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.