Home / 39,480.94-54,483.84-21,576.22

Finding the Fourth Proportional to 39,480.94, 54,483.84 and 21,576.22

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Solution

The fourth proportional to 39,480.94, 54,483.84 and 21,576.22 is: 29,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.94 : 54,483.84 = 21,576.22 : x
  2. Step 2: Convert to fraction form
    39,480.94/54,483.84 = 21,576.22/x
  3. Step 3: Cross multiply
    39,480.94x = 54,483.84 × 21,576.22
  4. Step 4: Simplify right side
    39,480.94x = 1,175,555,318.28
  5. Step 5: Solve for x
    x = 1,175,555,318.28/39,480.94
  6. Step 6: Final answer
    x = 29,775.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.