Home / 38,690.85-58,042.08-13,725.07

Finding the Fourth Proportional to 38,690.85, 58,042.08 and 13,725.07

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Solution

The fourth proportional to 38,690.85, 58,042.08 and 13,725.07 is: 20,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.85 : 58,042.08 = 13,725.07 : x
  2. Step 2: Convert to fraction form
    38,690.85/58,042.08 = 13,725.07/x
  3. Step 3: Cross multiply
    38,690.85x = 58,042.08 × 13,725.07
  4. Step 4: Simplify right side
    38,690.85x = 796,631,610.95
  5. Step 5: Solve for x
    x = 796,631,610.95/38,690.85
  6. Step 6: Final answer
    x = 20,589.66

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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.