Home / 50,909.14-70,263.01-28,255.43

Finding the Fourth Proportional to 50,909.14, 70,263.01 and 28,255.43

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Solution

The fourth proportional to 50,909.14, 70,263.01 and 28,255.43 is: 38,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.14 : 70,263.01 = 28,255.43 : x
  2. Step 2: Convert to fraction form
    50,909.14/70,263.01 = 28,255.43/x
  3. Step 3: Cross multiply
    50,909.14x = 70,263.01 × 28,255.43
  4. Step 4: Simplify right side
    50,909.14x = 1,985,311,560.64
  5. Step 5: Solve for x
    x = 1,985,311,560.64/50,909.14
  6. Step 6: Final answer
    x = 38,997.15

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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.