Home / 48,033.36-72,049.50-21,719.70

Finding the Fourth Proportional to 48,033.36, 72,049.50 and 21,719.70

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Solution

The fourth proportional to 48,033.36, 72,049.50 and 21,719.70 is: 32,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,033.36 : 72,049.50 = 21,719.70 : x
  2. Step 2: Convert to fraction form
    48,033.36/72,049.50 = 21,719.70/x
  3. Step 3: Cross multiply
    48,033.36x = 72,049.50 × 21,719.70
  4. Step 4: Simplify right side
    48,033.36x = 1,564,893,525.15
  5. Step 5: Solve for x
    x = 1,564,893,525.15/48,033.36
  6. Step 6: Final answer
    x = 32,579.31

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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.