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Finding the Fourth Proportional to 36,701.90, 50,648.66 and 19,934.90

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Solution

The fourth proportional to 36,701.90, 50,648.66 and 19,934.90 is: 27,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.90 : 50,648.66 = 19,934.90 : x
  2. Step 2: Convert to fraction form
    36,701.90/50,648.66 = 19,934.90/x
  3. Step 3: Cross multiply
    36,701.90x = 50,648.66 × 19,934.90
  4. Step 4: Simplify right side
    36,701.90x = 1,009,675,972.23
  5. Step 5: Solve for x
    x = 1,009,675,972.23/36,701.90
  6. Step 6: Final answer
    x = 27,510.18

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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.