Home / 38,941.90-58,426.41-12,292

Finding the Fourth Proportional to 38,941.90, 58,426.41 and 12,292

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Solution

The fourth proportional to 38,941.90, 58,426.41 and 12,292 is: 18,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,941.90 : 58,426.41 = 12,292 : x
  2. Step 2: Convert to fraction form
    38,941.90/58,426.41 = 12,292/x
  3. Step 3: Cross multiply
    38,941.90x = 58,426.41 × 12,292
  4. Step 4: Simplify right side
    38,941.90x = 718,177,431.72
  5. Step 5: Solve for x
    x = 718,177,431.72/38,941.90
  6. Step 6: Final answer
    x = 18,442.28

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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.