Home / 33,686.75-50,508.53-13,978.91

Finding the Fourth Proportional to 33,686.75, 50,508.53 and 13,978.91

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Solution

The fourth proportional to 33,686.75, 50,508.53 and 13,978.91 is: 20,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.75 : 50,508.53 = 13,978.91 : x
  2. Step 2: Convert to fraction form
    33,686.75/50,508.53 = 13,978.91/x
  3. Step 3: Cross multiply
    33,686.75x = 50,508.53 × 13,978.91
  4. Step 4: Simplify right side
    33,686.75x = 706,054,125.21
  5. Step 5: Solve for x
    x = 706,054,125.21/33,686.75
  6. Step 6: Final answer
    x = 20,959.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.