Home / 70,817.45-106,226.42-26,443.71

Finding the Fourth Proportional to 70,817.45, 106,226.42 and 26,443.71

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Solution

The fourth proportional to 70,817.45, 106,226.42 and 26,443.71 is: 39,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,817.45 : 106,226.42 = 26,443.71 : x
  2. Step 2: Convert to fraction form
    70,817.45/106,226.42 = 26,443.71/x
  3. Step 3: Cross multiply
    70,817.45x = 106,226.42 × 26,443.71
  4. Step 4: Simplify right side
    70,817.45x = 2,809,020,512.60
  5. Step 5: Solve for x
    x = 2,809,020,512.60/70,817.45
  6. Step 6: Final answer
    x = 39,665.66

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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.