Home / 66,961.48-100,370.94-31,826.92

Finding the Fourth Proportional to 66,961.48, 100,370.94 and 31,826.92

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Solution

The fourth proportional to 66,961.48, 100,370.94 and 31,826.92 is: 47,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961.48 : 100,370.94 = 31,826.92 : x
  2. Step 2: Convert to fraction form
    66,961.48/100,370.94 = 31,826.92/x
  3. Step 3: Cross multiply
    66,961.48x = 100,370.94 × 31,826.92
  4. Step 4: Simplify right side
    66,961.48x = 3,194,497,877.70
  5. Step 5: Solve for x
    x = 3,194,497,877.70/66,961.48
  6. Step 6: Final answer
    x = 47,706.50

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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.