Home / 48,492-66,919.91-29,372.49

Finding the Fourth Proportional to 48,492, 66,919.91 and 29,372.49

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Solution

The fourth proportional to 48,492, 66,919.91 and 29,372.49 is: 40,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492 : 66,919.91 = 29,372.49 : x
  2. Step 2: Convert to fraction form
    48,492/66,919.91 = 29,372.49/x
  3. Step 3: Cross multiply
    48,492x = 66,919.91 × 29,372.49
  4. Step 4: Simplify right side
    48,492x = 1,965,604,240.41
  5. Step 5: Solve for x
    x = 1,965,604,240.41/48,492
  6. Step 6: Final answer
    x = 40,534.61

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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.