Home / 50,809.50-70,116.98-28,148.54

Finding the Fourth Proportional to 50,809.50, 70,116.98 and 28,148.54

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Solution

The fourth proportional to 50,809.50, 70,116.98 and 28,148.54 is: 38,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.50 : 70,116.98 = 28,148.54 : x
  2. Step 2: Convert to fraction form
    50,809.50/70,116.98 = 28,148.54/x
  3. Step 3: Cross multiply
    50,809.50x = 70,116.98 × 28,148.54
  4. Step 4: Simplify right side
    50,809.50x = 1,973,690,124.88
  5. Step 5: Solve for x
    x = 1,973,690,124.88/50,809.50
  6. Step 6: Final answer
    x = 38,844.90

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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.