Home / 31,440.24-43,388.24-17,293.84

Finding the Fourth Proportional to 31,440.24, 43,388.24 and 17,293.84

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Solution

The fourth proportional to 31,440.24, 43,388.24 and 17,293.84 is: 23,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.24 : 43,388.24 = 17,293.84 : x
  2. Step 2: Convert to fraction form
    31,440.24/43,388.24 = 17,293.84/x
  3. Step 3: Cross multiply
    31,440.24x = 43,388.24 × 17,293.84
  4. Step 4: Simplify right side
    31,440.24x = 750,349,280.44
  5. Step 5: Solve for x
    x = 750,349,280.44/31,440.24
  6. Step 6: Final answer
    x = 23,865.89

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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.