Home / 31,939.78-44,073.21-17,790.34

Finding the Fourth Proportional to 31,939.78, 44,073.21 and 17,790.34

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Solution

The fourth proportional to 31,939.78, 44,073.21 and 17,790.34 is: 24,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.78 : 44,073.21 = 17,790.34 : x
  2. Step 2: Convert to fraction form
    31,939.78/44,073.21 = 17,790.34/x
  3. Step 3: Cross multiply
    31,939.78x = 44,073.21 × 17,790.34
  4. Step 4: Simplify right side
    31,939.78x = 784,077,390.79
  5. Step 5: Solve for x
    x = 784,077,390.79/31,939.78
  6. Step 6: Final answer
    x = 24,548.62

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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.