Home / 35,311.32-48,730.92-21,161.44

Finding the Fourth Proportional to 35,311.32, 48,730.92 and 21,161.44

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Solution

The fourth proportional to 35,311.32, 48,730.92 and 21,161.44 is: 29,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.32 : 48,730.92 = 21,161.44 : x
  2. Step 2: Convert to fraction form
    35,311.32/48,730.92 = 21,161.44/x
  3. Step 3: Cross multiply
    35,311.32x = 48,730.92 × 21,161.44
  4. Step 4: Simplify right side
    35,311.32x = 1,031,216,439.72
  5. Step 5: Solve for x
    x = 1,031,216,439.72/35,311.32
  6. Step 6: Final answer
    x = 29,203.57

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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.