Home / 35,643.81-49,187.94-19,727.91

Finding the Fourth Proportional to 35,643.81, 49,187.94 and 19,727.91

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Solution

The fourth proportional to 35,643.81, 49,187.94 and 19,727.91 is: 27,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.81 : 49,187.94 = 19,727.91 : x
  2. Step 2: Convert to fraction form
    35,643.81/49,187.94 = 19,727.91/x
  3. Step 3: Cross multiply
    35,643.81x = 49,187.94 × 19,727.91
  4. Step 4: Simplify right side
    35,643.81x = 970,375,253.41
  5. Step 5: Solve for x
    x = 970,375,253.41/35,643.81
  6. Step 6: Final answer
    x = 27,224.23

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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.