Home / 54,452.78-81,683.27-15,009.55

Finding the Fourth Proportional to 54,452.78, 81,683.27 and 15,009.55

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Solution

The fourth proportional to 54,452.78, 81,683.27 and 15,009.55 is: 22,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.78 : 81,683.27 = 15,009.55 : x
  2. Step 2: Convert to fraction form
    54,452.78/81,683.27 = 15,009.55/x
  3. Step 3: Cross multiply
    54,452.78x = 81,683.27 × 15,009.55
  4. Step 4: Simplify right side
    54,452.78x = 1,226,028,641.76
  5. Step 5: Solve for x
    x = 1,226,028,641.76/54,452.78
  6. Step 6: Final answer
    x = 22,515.45

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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.