Home / 31,710.79-43,760.85-17,563.62

Finding the Fourth Proportional to 31,710.79, 43,760.85 and 17,563.62

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Solution

The fourth proportional to 31,710.79, 43,760.85 and 17,563.62 is: 24,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.79 : 43,760.85 = 17,563.62 : x
  2. Step 2: Convert to fraction form
    31,710.79/43,760.85 = 17,563.62/x
  3. Step 3: Cross multiply
    31,710.79x = 43,760.85 × 17,563.62
  4. Step 4: Simplify right side
    31,710.79x = 768,598,940.28
  5. Step 5: Solve for x
    x = 768,598,940.28/31,710.79
  6. Step 6: Final answer
    x = 24,237.77

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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.