Home / 35,307.26-48,703.68-21,151.90

Finding the Fourth Proportional to 35,307.26, 48,703.68 and 21,151.90

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Solution

The fourth proportional to 35,307.26, 48,703.68 and 21,151.90 is: 29,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.26 : 48,703.68 = 21,151.90 : x
  2. Step 2: Convert to fraction form
    35,307.26/48,703.68 = 21,151.90/x
  3. Step 3: Cross multiply
    35,307.26x = 48,703.68 × 21,151.90
  4. Step 4: Simplify right side
    35,307.26x = 1,030,175,289.67
  5. Step 5: Solve for x
    x = 1,030,175,289.67/35,307.26
  6. Step 6: Final answer
    x = 29,177.44

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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.