Home / 35,754.73-49,342.65-19,840.66

Finding the Fourth Proportional to 35,754.73, 49,342.65 and 19,840.66

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Solution

The fourth proportional to 35,754.73, 49,342.65 and 19,840.66 is: 27,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.73 : 49,342.65 = 19,840.66 : x
  2. Step 2: Convert to fraction form
    35,754.73/49,342.65 = 19,840.66/x
  3. Step 3: Cross multiply
    35,754.73x = 49,342.65 × 19,840.66
  4. Step 4: Simplify right side
    35,754.73x = 978,990,933.55
  5. Step 5: Solve for x
    x = 978,990,933.55/35,754.73
  6. Step 6: Final answer
    x = 27,380.74

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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.