Home / 30,517.13-42,110.09-17,773.09

Finding the Fourth Proportional to 30,517.13, 42,110.09 and 17,773.09

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Solution

The fourth proportional to 30,517.13, 42,110.09 and 17,773.09 is: 24,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.13 : 42,110.09 = 17,773.09 : x
  2. Step 2: Convert to fraction form
    30,517.13/42,110.09 = 17,773.09/x
  3. Step 3: Cross multiply
    30,517.13x = 42,110.09 × 17,773.09
  4. Step 4: Simplify right side
    30,517.13x = 748,426,480.32
  5. Step 5: Solve for x
    x = 748,426,480.32/30,517.13
  6. Step 6: Final answer
    x = 24,524.80

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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.