Home / 50,906.72-70,239.98-29,391.80

Finding the Fourth Proportional to 50,906.72, 70,239.98 and 29,391.80

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Solution

The fourth proportional to 50,906.72, 70,239.98 and 29,391.80 is: 40,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,906.72 : 70,239.98 = 29,391.80 : x
  2. Step 2: Convert to fraction form
    50,906.72/70,239.98 = 29,391.80/x
  3. Step 3: Cross multiply
    50,906.72x = 70,239.98 × 29,391.80
  4. Step 4: Simplify right side
    50,906.72x = 2,064,479,444.16
  5. Step 5: Solve for x
    x = 2,064,479,444.16/50,906.72
  6. Step 6: Final answer
    x = 40,554.16

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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.