Home / 70,910.20-97,856.08-38,644.83

Finding the Fourth Proportional to 70,910.20, 97,856.08 and 38,644.83

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Solution

The fourth proportional to 70,910.20, 97,856.08 and 38,644.83 is: 53,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.20 : 97,856.08 = 38,644.83 : x
  2. Step 2: Convert to fraction form
    70,910.20/97,856.08 = 38,644.83/x
  3. Step 3: Cross multiply
    70,910.20x = 97,856.08 × 38,644.83
  4. Step 4: Simplify right side
    70,910.20x = 3,781,631,696.83
  5. Step 5: Solve for x
    x = 3,781,631,696.83/70,910.20
  6. Step 6: Final answer
    x = 53,329.87

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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.