Home / 50,799.74-70,103.56-28,138.72

Finding the Fourth Proportional to 50,799.74, 70,103.56 and 28,138.72

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Solution

The fourth proportional to 50,799.74, 70,103.56 and 28,138.72 is: 38,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,799.74 : 70,103.56 = 28,138.72 : x
  2. Step 2: Convert to fraction form
    50,799.74/70,103.56 = 28,138.72/x
  3. Step 3: Cross multiply
    50,799.74x = 70,103.56 × 28,138.72
  4. Step 4: Simplify right side
    50,799.74x = 1,972,624,445.84
  5. Step 5: Solve for x
    x = 1,972,624,445.84/50,799.74
  6. Step 6: Final answer
    x = 38,831.39

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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.