Home / 30,513.03-42,110.33-17,770.19

Finding the Fourth Proportional to 30,513.03, 42,110.33 and 17,770.19

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Solution

The fourth proportional to 30,513.03, 42,110.33 and 17,770.19 is: 24,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513.03 : 42,110.33 = 17,770.19 : x
  2. Step 2: Convert to fraction form
    30,513.03/42,110.33 = 17,770.19/x
  3. Step 3: Cross multiply
    30,513.03x = 42,110.33 × 17,770.19
  4. Step 4: Simplify right side
    30,513.03x = 748,308,265.66
  5. Step 5: Solve for x
    x = 748,308,265.66/30,513.03
  6. Step 6: Final answer
    x = 24,524.22

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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.