Home / 35,933.72-49,615.26-21,805.70

Finding the Fourth Proportional to 35,933.72, 49,615.26 and 21,805.70

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Solution

The fourth proportional to 35,933.72, 49,615.26 and 21,805.70 is: 30,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,933.72 : 49,615.26 = 21,805.70 : x
  2. Step 2: Convert to fraction form
    35,933.72/49,615.26 = 21,805.70/x
  3. Step 3: Cross multiply
    35,933.72x = 49,615.26 × 21,805.70
  4. Step 4: Simplify right side
    35,933.72x = 1,081,895,474.98
  5. Step 5: Solve for x
    x = 1,081,895,474.98/35,933.72
  6. Step 6: Final answer
    x = 30,108.08

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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.