Home / 50,896.88-70,272.72-38,939.36

Finding the Fourth Proportional to 50,896.88, 70,272.72 and 38,939.36

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Solution

The fourth proportional to 50,896.88, 70,272.72 and 38,939.36 is: 53,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,896.88 : 70,272.72 = 38,939.36 : x
  2. Step 2: Convert to fraction form
    50,896.88/70,272.72 = 38,939.36/x
  3. Step 3: Cross multiply
    50,896.88x = 70,272.72 × 38,939.36
  4. Step 4: Simplify right side
    50,896.88x = 2,736,374,742.26
  5. Step 5: Solve for x
    x = 2,736,374,742.26/50,896.88
  6. Step 6: Final answer
    x = 53,763.11

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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.