Home / 50,800.16-70,112.25-30,659.92

Finding the Fourth Proportional to 50,800.16, 70,112.25 and 30,659.92

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Solution

The fourth proportional to 50,800.16, 70,112.25 and 30,659.92 is: 42,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.16 : 70,112.25 = 30,659.92 : x
  2. Step 2: Convert to fraction form
    50,800.16/70,112.25 = 30,659.92/x
  3. Step 3: Cross multiply
    50,800.16x = 70,112.25 × 30,659.92
  4. Step 4: Simplify right side
    50,800.16x = 2,149,635,800.74
  5. Step 5: Solve for x
    x = 2,149,635,800.74/50,800.16
  6. Step 6: Final answer
    x = 42,315.53

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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.