Home / 50,871.12-70,202.04-28,515.12

Finding the Fourth Proportional to 50,871.12, 70,202.04 and 28,515.12

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Solution

The fourth proportional to 50,871.12, 70,202.04 and 28,515.12 is: 39,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,871.12 : 70,202.04 = 28,515.12 : x
  2. Step 2: Convert to fraction form
    50,871.12/70,202.04 = 28,515.12/x
  3. Step 3: Cross multiply
    50,871.12x = 70,202.04 × 28,515.12
  4. Step 4: Simplify right side
    50,871.12x = 2,001,819,594.84
  5. Step 5: Solve for x
    x = 2,001,819,594.84/50,871.12
  6. Step 6: Final answer
    x = 39,350.81

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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.