Home / 54,015.66-81,023.56-14,572.80

Finding the Fourth Proportional to 54,015.66, 81,023.56 and 14,572.80

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Solution

The fourth proportional to 54,015.66, 81,023.56 and 14,572.80 is: 21,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015.66 : 81,023.56 = 14,572.80 : x
  2. Step 2: Convert to fraction form
    54,015.66/81,023.56 = 14,572.80/x
  3. Step 3: Cross multiply
    54,015.66x = 81,023.56 × 14,572.80
  4. Step 4: Simplify right side
    54,015.66x = 1,180,740,135.17
  5. Step 5: Solve for x
    x = 1,180,740,135.17/54,015.66
  6. Step 6: Final answer
    x = 21,859.22

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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.