Home / 35,282.96-48,686.92-21,135.44

Finding the Fourth Proportional to 35,282.96, 48,686.92 and 21,135.44

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Solution

The fourth proportional to 35,282.96, 48,686.92 and 21,135.44 is: 29,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,282.96 : 48,686.92 = 21,135.44 : x
  2. Step 2: Convert to fraction form
    35,282.96/48,686.92 = 21,135.44/x
  3. Step 3: Cross multiply
    35,282.96x = 48,686.92 × 21,135.44
  4. Step 4: Simplify right side
    35,282.96x = 1,029,019,476.44
  5. Step 5: Solve for x
    x = 1,029,019,476.44/35,282.96
  6. Step 6: Final answer
    x = 29,164.77

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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.