Home / 35,565.14-49,072.15-21,218.42

Finding the Fourth Proportional to 35,565.14, 49,072.15 and 21,218.42

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Solution

The fourth proportional to 35,565.14, 49,072.15 and 21,218.42 is: 29,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,565.14 : 49,072.15 = 21,218.42 : x
  2. Step 2: Convert to fraction form
    35,565.14/49,072.15 = 21,218.42/x
  3. Step 3: Cross multiply
    35,565.14x = 49,072.15 × 21,218.42
  4. Step 4: Simplify right side
    35,565.14x = 1,041,233,137.55
  5. Step 5: Solve for x
    x = 1,041,233,137.55/35,565.14
  6. Step 6: Final answer
    x = 29,276.79

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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.