Home / 39,970.20-54,758.34-38,474.52

Finding the Fourth Proportional to 39,970.20, 54,758.34 and 38,474.52

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Solution

The fourth proportional to 39,970.20, 54,758.34 and 38,474.52 is: 52,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.20 : 54,758.34 = 38,474.52 : x
  2. Step 2: Convert to fraction form
    39,970.20/54,758.34 = 38,474.52/x
  3. Step 3: Cross multiply
    39,970.20x = 54,758.34 × 38,474.52
  4. Step 4: Simplify right side
    39,970.20x = 2,106,800,847.50
  5. Step 5: Solve for x
    x = 2,106,800,847.50/39,970.20
  6. Step 6: Final answer
    x = 52,709.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.