Home / 35,557.79-49,062.11-21,213.77

Finding the Fourth Proportional to 35,557.79, 49,062.11 and 21,213.77

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Solution

The fourth proportional to 35,557.79, 49,062.11 and 21,213.77 is: 29,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.79 : 49,062.11 = 21,213.77 : x
  2. Step 2: Convert to fraction form
    35,557.79/49,062.11 = 21,213.77/x
  3. Step 3: Cross multiply
    35,557.79x = 49,062.11 × 21,213.77
  4. Step 4: Simplify right side
    35,557.79x = 1,040,791,965.88
  5. Step 5: Solve for x
    x = 1,040,791,965.88/35,557.79
  6. Step 6: Final answer
    x = 29,270.44

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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.