Home / 30,836.04-42,572.07-20,244.24

Finding the Fourth Proportional to 30,836.04, 42,572.07 and 20,244.24

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Solution

The fourth proportional to 30,836.04, 42,572.07 and 20,244.24 is: 27,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.04 : 42,572.07 = 20,244.24 : x
  2. Step 2: Convert to fraction form
    30,836.04/42,572.07 = 20,244.24/x
  3. Step 3: Cross multiply
    30,836.04x = 42,572.07 × 20,244.24
  4. Step 4: Simplify right side
    30,836.04x = 861,839,202.38
  5. Step 5: Solve for x
    x = 861,839,202.38/30,836.04
  6. Step 6: Final answer
    x = 27,949.09

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Half scale
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Double scale
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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.