Home / 31,180.79-43,027.47-17,033.62

Finding the Fourth Proportional to 31,180.79, 43,027.47 and 17,033.62

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Solution

The fourth proportional to 31,180.79, 43,027.47 and 17,033.62 is: 23,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.79 : 43,027.47 = 17,033.62 : x
  2. Step 2: Convert to fraction form
    31,180.79/43,027.47 = 17,033.62/x
  3. Step 3: Cross multiply
    31,180.79x = 43,027.47 × 17,033.62
  4. Step 4: Simplify right side
    31,180.79x = 732,913,465.97
  5. Step 5: Solve for x
    x = 732,913,465.97/31,180.79
  6. Step 6: Final answer
    x = 23,505.29

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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.