Home / 62,138.43-85,757.00-38,279.07

Finding the Fourth Proportional to 62,138.43, 85,757.00 and 38,279.07

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Solution

The fourth proportional to 62,138.43, 85,757.00 and 38,279.07 is: 52,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.43 : 85,757.00 = 38,279.07 : x
  2. Step 2: Convert to fraction form
    62,138.43/85,757.00 = 38,279.07/x
  3. Step 3: Cross multiply
    62,138.43x = 85,757.00 × 38,279.07
  4. Step 4: Simplify right side
    62,138.43x = 3,282,698,014.59
  5. Step 5: Solve for x
    x = 3,282,698,014.59/62,138.43
  6. Step 6: Final answer
    x = 52,828.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.