Home / 38,950.12-58,433.82-12,657.52

Finding the Fourth Proportional to 38,950.12, 58,433.82 and 12,657.52

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Solution

The fourth proportional to 38,950.12, 58,433.82 and 12,657.52 is: 18,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,950.12 : 58,433.82 = 12,657.52 : x
  2. Step 2: Convert to fraction form
    38,950.12/58,433.82 = 12,657.52/x
  3. Step 3: Cross multiply
    38,950.12x = 58,433.82 × 12,657.52
  4. Step 4: Simplify right side
    38,950.12x = 739,627,245.33
  5. Step 5: Solve for x
    x = 739,627,245.33/38,950.12
  6. Step 6: Final answer
    x = 18,989.09

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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.