Home / 35,643.64-49,187.62-19,727.74

Finding the Fourth Proportional to 35,643.64, 49,187.62 and 19,727.74

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Solution

The fourth proportional to 35,643.64, 49,187.62 and 19,727.74 is: 27,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.64 : 49,187.62 = 19,727.74 : x
  2. Step 2: Convert to fraction form
    35,643.64/49,187.62 = 19,727.74/x
  3. Step 3: Cross multiply
    35,643.64x = 49,187.62 × 19,727.74
  4. Step 4: Simplify right side
    35,643.64x = 970,360,479.94
  5. Step 5: Solve for x
    x = 970,360,479.94/35,643.64
  6. Step 6: Final answer
    x = 27,223.95

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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.