Home / 54,373.18-81,558.92-18,860.36

Finding the Fourth Proportional to 54,373.18, 81,558.92 and 18,860.36

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Solution

The fourth proportional to 54,373.18, 81,558.92 and 18,860.36 is: 28,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.18 : 81,558.92 = 18,860.36 : x
  2. Step 2: Convert to fraction form
    54,373.18/81,558.92 = 18,860.36/x
  3. Step 3: Cross multiply
    54,373.18x = 81,558.92 × 18,860.36
  4. Step 4: Simplify right side
    54,373.18x = 1,538,230,592.41
  5. Step 5: Solve for x
    x = 1,538,230,592.41/54,373.18
  6. Step 6: Final answer
    x = 28,290.25

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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.