Home / 50,909.19-70,251.48-30,754.14

Finding the Fourth Proportional to 50,909.19, 70,251.48 and 30,754.14

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Solution

The fourth proportional to 50,909.19, 70,251.48 and 30,754.14 is: 42,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.19 : 70,251.48 = 30,754.14 : x
  2. Step 2: Convert to fraction form
    50,909.19/70,251.48 = 30,754.14/x
  3. Step 3: Cross multiply
    50,909.19x = 70,251.48 × 30,754.14
  4. Step 4: Simplify right side
    50,909.19x = 2,160,523,851.13
  5. Step 5: Solve for x
    x = 2,160,523,851.13/50,909.19
  6. Step 6: Final answer
    x = 42,438.78

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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.