Home / 62,749.18-86,634.39-38,901.34

Finding the Fourth Proportional to 62,749.18, 86,634.39 and 38,901.34

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Solution

The fourth proportional to 62,749.18, 86,634.39 and 38,901.34 is: 53,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,749.18 : 86,634.39 = 38,901.34 : x
  2. Step 2: Convert to fraction form
    62,749.18/86,634.39 = 38,901.34/x
  3. Step 3: Cross multiply
    62,749.18x = 86,634.39 × 38,901.34
  4. Step 4: Simplify right side
    62,749.18x = 3,370,193,861.08
  5. Step 5: Solve for x
    x = 3,370,193,861.08/62,749.18
  6. Step 6: Final answer
    x = 53,708.97

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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.