Home / 50,749.48-70,033.26-28,087.17

Finding the Fourth Proportional to 50,749.48, 70,033.26 and 28,087.17

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Solution

The fourth proportional to 50,749.48, 70,033.26 and 28,087.17 is: 38,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,749.48 : 70,033.26 = 28,087.17 : x
  2. Step 2: Convert to fraction form
    50,749.48/70,033.26 = 28,087.17/x
  3. Step 3: Cross multiply
    50,749.48x = 70,033.26 × 28,087.17
  4. Step 4: Simplify right side
    50,749.48x = 1,967,036,079.27
  5. Step 5: Solve for x
    x = 1,967,036,079.27/50,749.48
  6. Step 6: Final answer
    x = 38,759.73

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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.