Home / 29,770.62-41,085.53-19,681.53

Finding the Fourth Proportional to 29,770.62, 41,085.53 and 19,681.53

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Solution

The fourth proportional to 29,770.62, 41,085.53 and 19,681.53 is: 27,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,770.62 : 41,085.53 = 19,681.53 : x
  2. Step 2: Convert to fraction form
    29,770.62/41,085.53 = 19,681.53/x
  3. Step 3: Cross multiply
    29,770.62x = 41,085.53 × 19,681.53
  4. Step 4: Simplify right side
    29,770.62x = 808,626,091.26
  5. Step 5: Solve for x
    x = 808,626,091.26/29,770.62
  6. Step 6: Final answer
    x = 27,161.88

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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.