Home / 50,811.45-70,116.96-28,148.64

Finding the Fourth Proportional to 50,811.45, 70,116.96 and 28,148.64

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Solution

The fourth proportional to 50,811.45, 70,116.96 and 28,148.64 is: 38,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.45 : 70,116.96 = 28,148.64 : x
  2. Step 2: Convert to fraction form
    50,811.45/70,116.96 = 28,148.64/x
  3. Step 3: Cross multiply
    50,811.45x = 70,116.96 × 28,148.64
  4. Step 4: Simplify right side
    50,811.45x = 1,973,697,064.93
  5. Step 5: Solve for x
    x = 1,973,697,064.93/50,811.45
  6. Step 6: Final answer
    x = 38,843.55

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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.