Home / 50,802.45-70,100.44-28,135.85

Finding the Fourth Proportional to 50,802.45, 70,100.44 and 28,135.85

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Solution

The fourth proportional to 50,802.45, 70,100.44 and 28,135.85 is: 38,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,802.45 : 70,100.44 = 28,135.85 : x
  2. Step 2: Convert to fraction form
    50,802.45/70,100.44 = 28,135.85/x
  3. Step 3: Cross multiply
    50,802.45x = 70,100.44 × 28,135.85
  4. Step 4: Simplify right side
    50,802.45x = 1,972,335,043.93
  5. Step 5: Solve for x
    x = 1,972,335,043.93/50,802.45
  6. Step 6: Final answer
    x = 38,823.62

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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.