Home / 48,998.16-73,479.96-21,281.04

Finding the Fourth Proportional to 48,998.16, 73,479.96 and 21,281.04

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Solution

The fourth proportional to 48,998.16, 73,479.96 and 21,281.04 is: 31,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998.16 : 73,479.96 = 21,281.04 : x
  2. Step 2: Convert to fraction form
    48,998.16/73,479.96 = 21,281.04/x
  3. Step 3: Cross multiply
    48,998.16x = 73,479.96 × 21,281.04
  4. Step 4: Simplify right side
    48,998.16x = 1,563,729,967.96
  5. Step 5: Solve for x
    x = 1,563,729,967.96/48,998.16
  6. Step 6: Final answer
    x = 31,914.05

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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.