Home / 30,532.06-42,137.38-17,611.84

Finding the Fourth Proportional to 30,532.06, 42,137.38 and 17,611.84

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Solution

The fourth proportional to 30,532.06, 42,137.38 and 17,611.84 is: 24,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.06 : 42,137.38 = 17,611.84 : x
  2. Step 2: Convert to fraction form
    30,532.06/42,137.38 = 17,611.84/x
  3. Step 3: Cross multiply
    30,532.06x = 42,137.38 × 17,611.84
  4. Step 4: Simplify right side
    30,532.06x = 742,116,794.58
  5. Step 5: Solve for x
    x = 742,116,794.58/30,532.06
  6. Step 6: Final answer
    x = 24,306.15

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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.