Home / 31,815.66-43,938.27-23,845.26

Finding the Fourth Proportional to 31,815.66, 43,938.27 and 23,845.26

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Solution

The fourth proportional to 31,815.66, 43,938.27 and 23,845.26 is: 32,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.66 : 43,938.27 = 23,845.26 : x
  2. Step 2: Convert to fraction form
    31,815.66/43,938.27 = 23,845.26/x
  3. Step 3: Cross multiply
    31,815.66x = 43,938.27 × 23,845.26
  4. Step 4: Simplify right side
    31,815.66x = 1,047,719,472.10
  5. Step 5: Solve for x
    x = 1,047,719,472.10/31,815.66
  6. Step 6: Final answer
    x = 32,930.94

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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.