Home / 31,811.76-43,899.36-17,664.24

Finding the Fourth Proportional to 31,811.76, 43,899.36 and 17,664.24

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Solution

The fourth proportional to 31,811.76, 43,899.36 and 17,664.24 is: 24,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.76 : 43,899.36 = 17,664.24 : x
  2. Step 2: Convert to fraction form
    31,811.76/43,899.36 = 17,664.24/x
  3. Step 3: Cross multiply
    31,811.76x = 43,899.36 × 17,664.24
  4. Step 4: Simplify right side
    31,811.76x = 775,448,830.89
  5. Step 5: Solve for x
    x = 775,448,830.89/31,811.76
  6. Step 6: Final answer
    x = 24,376.17

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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.