Home / 54,012.21-81,027.93-18,477.48

Finding the Fourth Proportional to 54,012.21, 81,027.93 and 18,477.48

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Solution

The fourth proportional to 54,012.21, 81,027.93 and 18,477.48 is: 27,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.21 : 81,027.93 = 18,477.48 : x
  2. Step 2: Convert to fraction form
    54,012.21/81,027.93 = 18,477.48/x
  3. Step 3: Cross multiply
    54,012.21x = 81,027.93 × 18,477.48
  4. Step 4: Simplify right side
    54,012.21x = 1,497,191,956.02
  5. Step 5: Solve for x
    x = 1,497,191,956.02/54,012.21
  6. Step 6: Final answer
    x = 27,719.51

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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.