Home / 31,524.36-43,502.40-17,377.20

Finding the Fourth Proportional to 31,524.36, 43,502.40 and 17,377.20

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Solution

The fourth proportional to 31,524.36, 43,502.40 and 17,377.20 is: 23,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.36 : 43,502.40 = 17,377.20 : x
  2. Step 2: Convert to fraction form
    31,524.36/43,502.40 = 17,377.20/x
  3. Step 3: Cross multiply
    31,524.36x = 43,502.40 × 17,377.20
  4. Step 4: Simplify right side
    31,524.36x = 755,949,905.28
  5. Step 5: Solve for x
    x = 755,949,905.28/31,524.36
  6. Step 6: Final answer
    x = 23,979.87

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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.