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Finding the Fourth Proportional to 35,637, 49,179.18 and 21,490.44

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Solution

The fourth proportional to 35,637, 49,179.18 and 21,490.44 is: 29,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637 : 49,179.18 = 21,490.44 : x
  2. Step 2: Convert to fraction form
    35,637/49,179.18 = 21,490.44/x
  3. Step 3: Cross multiply
    35,637x = 49,179.18 × 21,490.44
  4. Step 4: Simplify right side
    35,637x = 1,056,882,217.04
  5. Step 5: Solve for x
    x = 1,056,882,217.04/35,637
  6. Step 6: Final answer
    x = 29,656.88

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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.