Home / 39,576.92-54,616.23-21,427.83

Finding the Fourth Proportional to 39,576.92, 54,616.23 and 21,427.83

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Solution

The fourth proportional to 39,576.92, 54,616.23 and 21,427.83 is: 29,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576.92 : 54,616.23 = 21,427.83 : x
  2. Step 2: Convert to fraction form
    39,576.92/54,616.23 = 21,427.83/x
  3. Step 3: Cross multiply
    39,576.92x = 54,616.23 × 21,427.83
  4. Step 4: Simplify right side
    39,576.92x = 1,170,307,291.68
  5. Step 5: Solve for x
    x = 1,170,307,291.68/39,576.92
  6. Step 6: Final answer
    x = 29,570.45

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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.