Home / 35,972.78-49,646.13-21,637.22

Finding the Fourth Proportional to 35,972.78, 49,646.13 and 21,637.22

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Solution

The fourth proportional to 35,972.78, 49,646.13 and 21,637.22 is: 29,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.78 : 49,646.13 = 21,637.22 : x
  2. Step 2: Convert to fraction form
    35,972.78/49,646.13 = 21,637.22/x
  3. Step 3: Cross multiply
    35,972.78x = 49,646.13 × 21,637.22
  4. Step 4: Simplify right side
    35,972.78x = 1,074,204,236.96
  5. Step 5: Solve for x
    x = 1,074,204,236.96/35,972.78
  6. Step 6: Final answer
    x = 29,861.59

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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.