Home / 35,508.30-48,995.46-20,397.48

Finding the Fourth Proportional to 35,508.30, 48,995.46 and 20,397.48

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Solution

The fourth proportional to 35,508.30, 48,995.46 and 20,397.48 is: 28,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,508.30 : 48,995.46 = 20,397.48 : x
  2. Step 2: Convert to fraction form
    35,508.30/48,995.46 = 20,397.48/x
  3. Step 3: Cross multiply
    35,508.30x = 48,995.46 × 20,397.48
  4. Step 4: Simplify right side
    35,508.30x = 999,383,915.44
  5. Step 5: Solve for x
    x = 999,383,915.44/35,508.30
  6. Step 6: Final answer
    x = 28,145.08

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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.