Home / 30,698.44-42,363.55-17,269.76

Finding the Fourth Proportional to 30,698.44, 42,363.55 and 17,269.76

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Solution

The fourth proportional to 30,698.44, 42,363.55 and 17,269.76 is: 23,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.44 : 42,363.55 = 17,269.76 : x
  2. Step 2: Convert to fraction form
    30,698.44/42,363.55 = 17,269.76/x
  3. Step 3: Cross multiply
    30,698.44x = 42,363.55 × 17,269.76
  4. Step 4: Simplify right side
    30,698.44x = 731,608,403.98
  5. Step 5: Solve for x
    x = 731,608,403.98/30,698.44
  6. Step 6: Final answer
    x = 23,832.11

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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.