Home / 30,505.03-42,097.82-17,076.20

Finding the Fourth Proportional to 30,505.03, 42,097.82 and 17,076.20

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Solution

The fourth proportional to 30,505.03, 42,097.82 and 17,076.20 is: 23,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.03 : 42,097.82 = 17,076.20 : x
  2. Step 2: Convert to fraction form
    30,505.03/42,097.82 = 17,076.20/x
  3. Step 3: Cross multiply
    30,505.03x = 42,097.82 × 17,076.20
  4. Step 4: Simplify right side
    30,505.03x = 718,870,856.44
  5. Step 5: Solve for x
    x = 718,870,856.44/30,505.03
  6. Step 6: Final answer
    x = 23,565.65

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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.