Home / 30,557.25-42,171.44-17,984.43

Finding the Fourth Proportional to 30,557.25, 42,171.44 and 17,984.43

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Solution

The fourth proportional to 30,557.25, 42,171.44 and 17,984.43 is: 24,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.25 : 42,171.44 = 17,984.43 : x
  2. Step 2: Convert to fraction form
    30,557.25/42,171.44 = 17,984.43/x
  3. Step 3: Cross multiply
    30,557.25x = 42,171.44 × 17,984.43
  4. Step 4: Simplify right side
    30,557.25x = 758,429,220.76
  5. Step 5: Solve for x
    x = 758,429,220.76/30,557.25
  6. Step 6: Final answer
    x = 24,819.94

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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.