Home / 50,868.53-70,202.09-28,209.62

Finding the Fourth Proportional to 50,868.53, 70,202.09 and 28,209.62

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Solution

The fourth proportional to 50,868.53, 70,202.09 and 28,209.62 is: 38,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.53 : 70,202.09 = 28,209.62 : x
  2. Step 2: Convert to fraction form
    50,868.53/70,202.09 = 28,209.62/x
  3. Step 3: Cross multiply
    50,868.53x = 70,202.09 × 28,209.62
  4. Step 4: Simplify right side
    50,868.53x = 1,980,373,790.05
  5. Step 5: Solve for x
    x = 1,980,373,790.05/50,868.53
  6. Step 6: Final answer
    x = 38,931.22

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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.