Home / 50,803.12-70,110.82-30,659.68

Finding the Fourth Proportional to 50,803.12, 70,110.82 and 30,659.68

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Solution

The fourth proportional to 50,803.12, 70,110.82 and 30,659.68 is: 42,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.12 : 70,110.82 = 30,659.68 : x
  2. Step 2: Convert to fraction form
    50,803.12/70,110.82 = 30,659.68/x
  3. Step 3: Cross multiply
    50,803.12x = 70,110.82 × 30,659.68
  4. Step 4: Simplify right side
    50,803.12x = 2,149,575,305.74
  5. Step 5: Solve for x
    x = 2,149,575,305.74/50,803.12
  6. Step 6: Final answer
    x = 42,311.88

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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.