Home / 50,959.35-70,321.54-28,299.78

Finding the Fourth Proportional to 50,959.35, 70,321.54 and 28,299.78

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Solution

The fourth proportional to 50,959.35, 70,321.54 and 28,299.78 is: 39,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,959.35 : 70,321.54 = 28,299.78 : x
  2. Step 2: Convert to fraction form
    50,959.35/70,321.54 = 28,299.78/x
  3. Step 3: Cross multiply
    50,959.35x = 70,321.54 × 28,299.78
  4. Step 4: Simplify right side
    50,959.35x = 1,990,084,111.26
  5. Step 5: Solve for x
    x = 1,990,084,111.26/50,959.35
  6. Step 6: Final answer
    x = 39,052.38

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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.