Home / 48,291.45-72,435.81-13,231.11

Finding the Fourth Proportional to 48,291.45, 72,435.81 and 13,231.11

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Solution

The fourth proportional to 48,291.45, 72,435.81 and 13,231.11 is: 19,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.45 : 72,435.81 = 13,231.11 : x
  2. Step 2: Convert to fraction form
    48,291.45/72,435.81 = 13,231.11/x
  3. Step 3: Cross multiply
    48,291.45x = 72,435.81 × 13,231.11
  4. Step 4: Simplify right side
    48,291.45x = 958,406,170.05
  5. Step 5: Solve for x
    x = 958,406,170.05/48,291.45
  6. Step 6: Final answer
    x = 19,846.29

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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.