Home / 35,901.43-49,542.84-19,985.08

Finding the Fourth Proportional to 35,901.43, 49,542.84 and 19,985.08

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Solution

The fourth proportional to 35,901.43, 49,542.84 and 19,985.08 is: 27,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.43 : 49,542.84 = 19,985.08 : x
  2. Step 2: Convert to fraction form
    35,901.43/49,542.84 = 19,985.08/x
  3. Step 3: Cross multiply
    35,901.43x = 49,542.84 × 19,985.08
  4. Step 4: Simplify right side
    35,901.43x = 990,117,589.86
  5. Step 5: Solve for x
    x = 990,117,589.86/35,901.43
  6. Step 6: Final answer
    x = 27,578.78

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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.