Home / 30,505.57-42,098.40-17,076.49

Finding the Fourth Proportional to 30,505.57, 42,098.40 and 17,076.49

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Solution

The fourth proportional to 30,505.57, 42,098.40 and 17,076.49 is: 23,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.57 : 42,098.40 = 17,076.49 : x
  2. Step 2: Convert to fraction form
    30,505.57/42,098.40 = 17,076.49/x
  3. Step 3: Cross multiply
    30,505.57x = 42,098.40 × 17,076.49
  4. Step 4: Simplify right side
    30,505.57x = 718,892,906.62
  5. Step 5: Solve for x
    x = 718,892,906.62/30,505.57
  6. Step 6: Final answer
    x = 23,565.96

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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.