Home / 85,497.44-128,246.20-22,317.39

Finding the Fourth Proportional to 85,497.44, 128,246.20 and 22,317.39

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Solution

The fourth proportional to 85,497.44, 128,246.20 and 22,317.39 is: 33,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,497.44 : 128,246.20 = 22,317.39 : x
  2. Step 2: Convert to fraction form
    85,497.44/128,246.20 = 22,317.39/x
  3. Step 3: Cross multiply
    85,497.44x = 128,246.20 × 22,317.39
  4. Step 4: Simplify right side
    85,497.44x = 2,862,120,405.62
  5. Step 5: Solve for x
    x = 2,862,120,405.62/85,497.44
  6. Step 6: Final answer
    x = 33,476.09

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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.