Home / 35,282.88-48,682.08-20,376

Finding the Fourth Proportional to 35,282.88, 48,682.08 and 20,376

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Solution

The fourth proportional to 35,282.88, 48,682.08 and 20,376 is: 28,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,282.88 : 48,682.08 = 20,376 : x
  2. Step 2: Convert to fraction form
    35,282.88/48,682.08 = 20,376/x
  3. Step 3: Cross multiply
    35,282.88x = 48,682.08 × 20,376
  4. Step 4: Simplify right side
    35,282.88x = 991,946,062.08
  5. Step 5: Solve for x
    x = 991,946,062.08/35,282.88
  6. Step 6: Final answer
    x = 28,114.09

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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.