Home / 30,611.52-42,246.18-17,185.68

Finding the Fourth Proportional to 30,611.52, 42,246.18 and 17,185.68

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Solution

The fourth proportional to 30,611.52, 42,246.18 and 17,185.68 is: 23,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.52 : 42,246.18 = 17,185.68 : x
  2. Step 2: Convert to fraction form
    30,611.52/42,246.18 = 17,185.68/x
  3. Step 3: Cross multiply
    30,611.52x = 42,246.18 × 17,185.68
  4. Step 4: Simplify right side
    30,611.52x = 726,029,330.70
  5. Step 5: Solve for x
    x = 726,029,330.70/30,611.52
  6. Step 6: Final answer
    x = 23,717.52

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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.