Home / 31,529.53-43,511.08-17,382.88

Finding the Fourth Proportional to 31,529.53, 43,511.08 and 17,382.88

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Solution

The fourth proportional to 31,529.53, 43,511.08 and 17,382.88 is: 23,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.53 : 43,511.08 = 17,382.88 : x
  2. Step 2: Convert to fraction form
    31,529.53/43,511.08 = 17,382.88/x
  3. Step 3: Cross multiply
    31,529.53x = 43,511.08 × 17,382.88
  4. Step 4: Simplify right side
    31,529.53x = 756,347,664.76
  5. Step 5: Solve for x
    x = 756,347,664.76/31,529.53
  6. Step 6: Final answer
    x = 23,988.55

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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.