Home / 38,907.08-58,358.68-13,946.72

Finding the Fourth Proportional to 38,907.08, 58,358.68 and 13,946.72

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Solution

The fourth proportional to 38,907.08, 58,358.68 and 13,946.72 is: 20,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.08 : 58,358.68 = 13,946.72 : x
  2. Step 2: Convert to fraction form
    38,907.08/58,358.68 = 13,946.72/x
  3. Step 3: Cross multiply
    38,907.08x = 58,358.68 × 13,946.72
  4. Step 4: Simplify right side
    38,907.08x = 813,912,169.53
  5. Step 5: Solve for x
    x = 813,912,169.53/38,907.08
  6. Step 6: Final answer
    x = 20,919.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.