Home / 32,257.80-48,386.70-21,198.60

Finding the Fourth Proportional to 32,257.80, 48,386.70 and 21,198.60

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Solution

The fourth proportional to 32,257.80, 48,386.70 and 21,198.60 is: 31,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,257.80 : 48,386.70 = 21,198.60 : x
  2. Step 2: Convert to fraction form
    32,257.80/48,386.70 = 21,198.60/x
  3. Step 3: Cross multiply
    32,257.80x = 48,386.70 × 21,198.60
  4. Step 4: Simplify right side
    32,257.80x = 1,025,730,298.62
  5. Step 5: Solve for x
    x = 1,025,730,298.62/32,257.80
  6. Step 6: Final answer
    x = 31,797.90

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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.