Home / 49,398.51-68,169.26-28,178.13

Finding the Fourth Proportional to 49,398.51, 68,169.26 and 28,178.13

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Solution

The fourth proportional to 49,398.51, 68,169.26 and 28,178.13 is: 38,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.51 : 68,169.26 = 28,178.13 : x
  2. Step 2: Convert to fraction form
    49,398.51/68,169.26 = 28,178.13/x
  3. Step 3: Cross multiply
    49,398.51x = 68,169.26 × 28,178.13
  4. Step 4: Simplify right side
    49,398.51x = 1,920,882,270.28
  5. Step 5: Solve for x
    x = 1,920,882,270.28/49,398.51
  6. Step 6: Final answer
    x = 38,885.43

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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.