Home / 48,730.14-73,089.54-13,672.80

Finding the Fourth Proportional to 48,730.14, 73,089.54 and 13,672.80

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Solution

The fourth proportional to 48,730.14, 73,089.54 and 13,672.80 is: 20,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730.14 : 73,089.54 = 13,672.80 : x
  2. Step 2: Convert to fraction form
    48,730.14/73,089.54 = 13,672.80/x
  3. Step 3: Cross multiply
    48,730.14x = 73,089.54 × 13,672.80
  4. Step 4: Simplify right side
    48,730.14x = 999,338,662.51
  5. Step 5: Solve for x
    x = 999,338,662.51/48,730.14
  6. Step 6: Final answer
    x = 20,507.61

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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.