Home / 31,683.66-43,721.64-17,535.66

Finding the Fourth Proportional to 31,683.66, 43,721.64 and 17,535.66

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Solution

The fourth proportional to 31,683.66, 43,721.64 and 17,535.66 is: 24,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.66 : 43,721.64 = 17,535.66 : x
  2. Step 2: Convert to fraction form
    31,683.66/43,721.64 = 17,535.66/x
  3. Step 3: Cross multiply
    31,683.66x = 43,721.64 × 17,535.66
  4. Step 4: Simplify right side
    31,683.66x = 766,687,813.68
  5. Step 5: Solve for x
    x = 766,687,813.68/31,683.66
  6. Step 6: Final answer
    x = 24,198.21

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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.