Home / 48,679.26-72,984.37-21,646.82

Finding the Fourth Proportional to 48,679.26, 72,984.37 and 21,646.82

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Solution

The fourth proportional to 48,679.26, 72,984.37 and 21,646.82 is: 32,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.26 : 72,984.37 = 21,646.82 : x
  2. Step 2: Convert to fraction form
    48,679.26/72,984.37 = 21,646.82/x
  3. Step 3: Cross multiply
    48,679.26x = 72,984.37 × 21,646.82
  4. Step 4: Simplify right side
    48,679.26x = 1,579,879,520.20
  5. Step 5: Solve for x
    x = 1,579,879,520.20/48,679.26
  6. Step 6: Final answer
    x = 32,454.88

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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.