Home / 48,140.20-72,209.70-21,826.60

Finding the Fourth Proportional to 48,140.20, 72,209.70 and 21,826.60

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Solution

The fourth proportional to 48,140.20, 72,209.70 and 21,826.60 is: 32,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,140.20 : 72,209.70 = 21,826.60 : x
  2. Step 2: Convert to fraction form
    48,140.20/72,209.70 = 21,826.60/x
  3. Step 3: Cross multiply
    48,140.20x = 72,209.70 × 21,826.60
  4. Step 4: Simplify right side
    48,140.20x = 1,576,092,238.02
  5. Step 5: Solve for x
    x = 1,576,092,238.02/48,140.20
  6. Step 6: Final answer
    x = 32,739.63

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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.