Home / 48,005.46-72,042.48-21,358.62

Finding the Fourth Proportional to 48,005.46, 72,042.48 and 21,358.62

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Solution

The fourth proportional to 48,005.46, 72,042.48 and 21,358.62 is: 32,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.46 : 72,042.48 = 21,358.62 : x
  2. Step 2: Convert to fraction form
    48,005.46/72,042.48 = 21,358.62/x
  3. Step 3: Cross multiply
    48,005.46x = 72,042.48 × 21,358.62
  4. Step 4: Simplify right side
    48,005.46x = 1,538,727,954.18
  5. Step 5: Solve for x
    x = 1,538,727,954.18/48,005.46
  6. Step 6: Final answer
    x = 32,053.19

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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.