Home / 31,266.28-43,161.06-19,329.64

Finding the Fourth Proportional to 31,266.28, 43,161.06 and 19,329.64

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Solution

The fourth proportional to 31,266.28, 43,161.06 and 19,329.64 is: 26,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.28 : 43,161.06 = 19,329.64 : x
  2. Step 2: Convert to fraction form
    31,266.28/43,161.06 = 19,329.64/x
  3. Step 3: Cross multiply
    31,266.28x = 43,161.06 × 19,329.64
  4. Step 4: Simplify right side
    31,266.28x = 834,287,751.82
  5. Step 5: Solve for x
    x = 834,287,751.82/31,266.28
  6. Step 6: Final answer
    x = 26,683.31

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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.