Home / 54,013.56-81,028.44-18,947.04

Finding the Fourth Proportional to 54,013.56, 81,028.44 and 18,947.04

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Solution

The fourth proportional to 54,013.56, 81,028.44 and 18,947.04 is: 28,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.56 : 81,028.44 = 18,947.04 : x
  2. Step 2: Convert to fraction form
    54,013.56/81,028.44 = 18,947.04/x
  3. Step 3: Cross multiply
    54,013.56x = 81,028.44 × 18,947.04
  4. Step 4: Simplify right side
    54,013.56x = 1,535,249,093.82
  5. Step 5: Solve for x
    x = 1,535,249,093.82/54,013.56
  6. Step 6: Final answer
    x = 28,423.40

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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.