Home / 54,217.92-81,318.51-14,778.21

Finding the Fourth Proportional to 54,217.92, 81,318.51 and 14,778.21

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Solution

The fourth proportional to 54,217.92, 81,318.51 and 14,778.21 is: 22,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.92 : 81,318.51 = 14,778.21 : x
  2. Step 2: Convert to fraction form
    54,217.92/81,318.51 = 14,778.21/x
  3. Step 3: Cross multiply
    54,217.92x = 81,318.51 × 14,778.21
  4. Step 4: Simplify right side
    54,217.92x = 1,201,742,017.67
  5. Step 5: Solve for x
    x = 1,201,742,017.67/54,217.92
  6. Step 6: Final answer
    x = 22,165.03

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1.5x scale

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.