Home / 54,299.79-81,460.56-18,762.41

Finding the Fourth Proportional to 54,299.79, 81,460.56 and 18,762.41

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Solution

The fourth proportional to 54,299.79, 81,460.56 and 18,762.41 is: 28,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.79 : 81,460.56 = 18,762.41 : x
  2. Step 2: Convert to fraction form
    54,299.79/81,460.56 = 18,762.41/x
  3. Step 3: Cross multiply
    54,299.79x = 81,460.56 × 18,762.41
  4. Step 4: Simplify right side
    54,299.79x = 1,528,396,629.20
  5. Step 5: Solve for x
    x = 1,528,396,629.20/54,299.79
  6. Step 6: Final answer
    x = 28,147.37

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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.