Home / 35,637.78-49,175.10-19,722.18

Finding the Fourth Proportional to 35,637.78, 49,175.10 and 19,722.18

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Solution

The fourth proportional to 35,637.78, 49,175.10 and 19,722.18 is: 27,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637.78 : 49,175.10 = 19,722.18 : x
  2. Step 2: Convert to fraction form
    35,637.78/49,175.10 = 19,722.18/x
  3. Step 3: Cross multiply
    35,637.78x = 49,175.10 × 19,722.18
  4. Step 4: Simplify right side
    35,637.78x = 969,840,173.72
  5. Step 5: Solve for x
    x = 969,840,173.72/35,637.78
  6. Step 6: Final answer
    x = 27,213.82

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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.