Home / 71,022.60-98,015.94-40,817.70

Finding the Fourth Proportional to 71,022.60, 98,015.94 and 40,817.70

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Solution

The fourth proportional to 71,022.60, 98,015.94 and 40,817.70 is: 56,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.60 : 98,015.94 = 40,817.70 : x
  2. Step 2: Convert to fraction form
    71,022.60/98,015.94 = 40,817.70/x
  3. Step 3: Cross multiply
    71,022.60x = 98,015.94 × 40,817.70
  4. Step 4: Simplify right side
    71,022.60x = 4,000,785,234.14
  5. Step 5: Solve for x
    x = 4,000,785,234.14/71,022.60
  6. Step 6: Final answer
    x = 56,331.16

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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.