Home / 31,571.78-43,568.76-17,424.32

Finding the Fourth Proportional to 31,571.78, 43,568.76 and 17,424.32

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Solution

The fourth proportional to 31,571.78, 43,568.76 and 17,424.32 is: 24,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.78 : 43,568.76 = 17,424.32 : x
  2. Step 2: Convert to fraction form
    31,571.78/43,568.76 = 17,424.32/x
  3. Step 3: Cross multiply
    31,571.78x = 43,568.76 × 17,424.32
  4. Step 4: Simplify right side
    31,571.78x = 759,156,016.24
  5. Step 5: Solve for x
    x = 759,156,016.24/31,571.78
  6. Step 6: Final answer
    x = 24,045.40

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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.