Home / 49,965.10-68,920.13-38,002.21

Finding the Fourth Proportional to 49,965.10, 68,920.13 and 38,002.21

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Solution

The fourth proportional to 49,965.10, 68,920.13 and 38,002.21 is: 52,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.10 : 68,920.13 = 38,002.21 : x
  2. Step 2: Convert to fraction form
    49,965.10/68,920.13 = 38,002.21/x
  3. Step 3: Cross multiply
    49,965.10x = 68,920.13 × 38,002.21
  4. Step 4: Simplify right side
    49,965.10x = 2,619,116,718.88
  5. Step 5: Solve for x
    x = 2,619,116,718.88/49,965.10
  6. Step 6: Final answer
    x = 52,418.93

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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.