Home / 31,724.19-43,778.85-17,383.91

Finding the Fourth Proportional to 31,724.19, 43,778.85 and 17,383.91

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Solution

The fourth proportional to 31,724.19, 43,778.85 and 17,383.91 is: 23,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.19 : 43,778.85 = 17,383.91 : x
  2. Step 2: Convert to fraction form
    31,724.19/43,778.85 = 17,383.91/x
  3. Step 3: Cross multiply
    31,724.19x = 43,778.85 × 17,383.91
  4. Step 4: Simplify right side
    31,724.19x = 761,047,369.41
  5. Step 5: Solve for x
    x = 761,047,369.41/31,724.19
  6. Step 6: Final answer
    x = 23,989.50

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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.