Home / 31,491.84-43,458.69-17,344.50

Finding the Fourth Proportional to 31,491.84, 43,458.69 and 17,344.50

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Solution

The fourth proportional to 31,491.84, 43,458.69 and 17,344.50 is: 23,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.84 : 43,458.69 = 17,344.50 : x
  2. Step 2: Convert to fraction form
    31,491.84/43,458.69 = 17,344.50/x
  3. Step 3: Cross multiply
    31,491.84x = 43,458.69 × 17,344.50
  4. Step 4: Simplify right side
    31,491.84x = 753,769,248.71
  5. Step 5: Solve for x
    x = 753,769,248.71/31,491.84
  6. Step 6: Final answer
    x = 23,935.38

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Double scale
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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.