Home / 37,658.06-51,968.82-20,663.18

Finding the Fourth Proportional to 37,658.06, 51,968.82 and 20,663.18

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Solution

The fourth proportional to 37,658.06, 51,968.82 and 20,663.18 is: 28,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.06 : 51,968.82 = 20,663.18 : x
  2. Step 2: Convert to fraction form
    37,658.06/51,968.82 = 20,663.18/x
  3. Step 3: Cross multiply
    37,658.06x = 51,968.82 × 20,663.18
  4. Step 4: Simplify right side
    37,658.06x = 1,073,841,082.05
  5. Step 5: Solve for x
    x = 1,073,841,082.05/37,658.06
  6. Step 6: Final answer
    x = 28,515.57

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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.