Home / 54,214.60-81,321.36-14,771.20

Finding the Fourth Proportional to 54,214.60, 81,321.36 and 14,771.20

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Solution

The fourth proportional to 54,214.60, 81,321.36 and 14,771.20 is: 22,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,214.60 : 81,321.36 = 14,771.20 : x
  2. Step 2: Convert to fraction form
    54,214.60/81,321.36 = 14,771.20/x
  3. Step 3: Cross multiply
    54,214.60x = 81,321.36 × 14,771.20
  4. Step 4: Simplify right side
    54,214.60x = 1,201,214,072.83
  5. Step 5: Solve for x
    x = 1,201,214,072.83/54,214.60
  6. Step 6: Final answer
    x = 22,156.65

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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.