Home / 30,944.38-42,705.35-17,515.58

Finding the Fourth Proportional to 30,944.38, 42,705.35 and 17,515.58

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Solution

The fourth proportional to 30,944.38, 42,705.35 and 17,515.58 is: 24,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.38 : 42,705.35 = 17,515.58 : x
  2. Step 2: Convert to fraction form
    30,944.38/42,705.35 = 17,515.58/x
  3. Step 3: Cross multiply
    30,944.38x = 42,705.35 × 17,515.58
  4. Step 4: Simplify right side
    30,944.38x = 748,008,974.35
  5. Step 5: Solve for x
    x = 748,008,974.35/30,944.38
  6. Step 6: Final answer
    x = 24,172.69

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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.