Home / 31,329.78-43,235.96-17,903.22

Finding the Fourth Proportional to 31,329.78, 43,235.96 and 17,903.22

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Solution

The fourth proportional to 31,329.78, 43,235.96 and 17,903.22 is: 24,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.78 : 43,235.96 = 17,903.22 : x
  2. Step 2: Convert to fraction form
    31,329.78/43,235.96 = 17,903.22/x
  3. Step 3: Cross multiply
    31,329.78x = 43,235.96 × 17,903.22
  4. Step 4: Simplify right side
    31,329.78x = 774,062,814.28
  5. Step 5: Solve for x
    x = 774,062,814.28/31,329.78
  6. Step 6: Final answer
    x = 24,706.93

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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.