Home / 30,505.41-42,097.66-17,076.62

Finding the Fourth Proportional to 30,505.41, 42,097.66 and 17,076.62

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Solution

The fourth proportional to 30,505.41, 42,097.66 and 17,076.62 is: 23,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.41 : 42,097.66 = 17,076.62 : x
  2. Step 2: Convert to fraction form
    30,505.41/42,097.66 = 17,076.62/x
  3. Step 3: Cross multiply
    30,505.41x = 42,097.66 × 17,076.62
  4. Step 4: Simplify right side
    30,505.41x = 718,885,805.26
  5. Step 5: Solve for x
    x = 718,885,805.26/30,505.41
  6. Step 6: Final answer
    x = 23,565.85

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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.