Home / 52,311.62-72,190.49-28,438.31

Finding the Fourth Proportional to 52,311.62, 72,190.49 and 28,438.31

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Solution

The fourth proportional to 52,311.62, 72,190.49 and 28,438.31 is: 39,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.62 : 72,190.49 = 28,438.31 : x
  2. Step 2: Convert to fraction form
    52,311.62/72,190.49 = 28,438.31/x
  3. Step 3: Cross multiply
    52,311.62x = 72,190.49 × 28,438.31
  4. Step 4: Simplify right side
    52,311.62x = 2,052,975,030.53
  5. Step 5: Solve for x
    x = 2,052,975,030.53/52,311.62
  6. Step 6: Final answer
    x = 39,245.11

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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.