Home / 35,275.12-52,878.88-13,082.56

Finding the Fourth Proportional to 35,275.12, 52,878.88 and 13,082.56

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Solution

The fourth proportional to 35,275.12, 52,878.88 and 13,082.56 is: 19,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,275.12 : 52,878.88 = 13,082.56 : x
  2. Step 2: Convert to fraction form
    35,275.12/52,878.88 = 13,082.56/x
  3. Step 3: Cross multiply
    35,275.12x = 52,878.88 × 13,082.56
  4. Step 4: Simplify right side
    35,275.12x = 691,791,120.33
  5. Step 5: Solve for x
    x = 691,791,120.33/35,275.12
  6. Step 6: Final answer
    x = 19,611.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.