Home / 50,142.70-69,194.80-29,987.66

Finding the Fourth Proportional to 50,142.70, 69,194.80 and 29,987.66

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Solution

The fourth proportional to 50,142.70, 69,194.80 and 29,987.66 is: 41,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,142.70 : 69,194.80 = 29,987.66 : x
  2. Step 2: Convert to fraction form
    50,142.70/69,194.80 = 29,987.66/x
  3. Step 3: Cross multiply
    50,142.70x = 69,194.80 × 29,987.66
  4. Step 4: Simplify right side
    50,142.70x = 2,074,990,136.17
  5. Step 5: Solve for x
    x = 2,074,990,136.17/50,142.70
  6. Step 6: Final answer
    x = 41,381.70

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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.