Home / 31,387.64-43,313.33-17,237.75

Finding the Fourth Proportional to 31,387.64, 43,313.33 and 17,237.75

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Solution

The fourth proportional to 31,387.64, 43,313.33 and 17,237.75 is: 23,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.64 : 43,313.33 = 17,237.75 : x
  2. Step 2: Convert to fraction form
    31,387.64/43,313.33 = 17,237.75/x
  3. Step 3: Cross multiply
    31,387.64x = 43,313.33 × 17,237.75
  4. Step 4: Simplify right side
    31,387.64x = 746,624,180.74
  5. Step 5: Solve for x
    x = 746,624,180.74/31,387.64
  6. Step 6: Final answer
    x = 23,787.21

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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.