Home / 54,202.35-81,283.30-18,653.72

Finding the Fourth Proportional to 54,202.35, 81,283.30 and 18,653.72

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Solution

The fourth proportional to 54,202.35, 81,283.30 and 18,653.72 is: 27,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,202.35 : 81,283.30 = 18,653.72 : x
  2. Step 2: Convert to fraction form
    54,202.35/81,283.30 = 18,653.72/x
  3. Step 3: Cross multiply
    54,202.35x = 81,283.30 × 18,653.72
  4. Step 4: Simplify right side
    54,202.35x = 1,516,236,075.45
  5. Step 5: Solve for x
    x = 1,516,236,075.45/54,202.35
  6. Step 6: Final answer
    x = 27,973.62

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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.