Home / 31,639.59-43,660.89-17,491.50

Finding the Fourth Proportional to 31,639.59, 43,660.89 and 17,491.50

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Solution

The fourth proportional to 31,639.59, 43,660.89 and 17,491.50 is: 24,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.59 : 43,660.89 = 17,491.50 : x
  2. Step 2: Convert to fraction form
    31,639.59/43,660.89 = 17,491.50/x
  3. Step 3: Cross multiply
    31,639.59x = 43,660.89 × 17,491.50
  4. Step 4: Simplify right side
    31,639.59x = 763,694,457.44
  5. Step 5: Solve for x
    x = 763,694,457.44/31,639.59
  6. Step 6: Final answer
    x = 24,137.31

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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.