Home / 35,308.92-48,730.50-21,169.56

Finding the Fourth Proportional to 35,308.92, 48,730.50 and 21,169.56

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Solution

The fourth proportional to 35,308.92, 48,730.50 and 21,169.56 is: 29,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.92 : 48,730.50 = 21,169.56 : x
  2. Step 2: Convert to fraction form
    35,308.92/48,730.50 = 21,169.56/x
  3. Step 3: Cross multiply
    35,308.92x = 48,730.50 × 21,169.56
  4. Step 4: Simplify right side
    35,308.92x = 1,031,603,243.58
  5. Step 5: Solve for x
    x = 1,031,603,243.58/35,308.92
  6. Step 6: Final answer
    x = 29,216.51

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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.