Home / 35,002.80-48,305.16-20,856.96

Finding the Fourth Proportional to 35,002.80, 48,305.16 and 20,856.96

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Solution

The fourth proportional to 35,002.80, 48,305.16 and 20,856.96 is: 28,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,002.80 : 48,305.16 = 20,856.96 : x
  2. Step 2: Convert to fraction form
    35,002.80/48,305.16 = 20,856.96/x
  3. Step 3: Cross multiply
    35,002.80x = 48,305.16 × 20,856.96
  4. Step 4: Simplify right side
    35,002.80x = 1,007,498,789.91
  5. Step 5: Solve for x
    x = 1,007,498,789.91/35,002.80
  6. Step 6: Final answer
    x = 28,783.38

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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.