Home / 39,916.29-55,083.21-22,012.05

Finding the Fourth Proportional to 39,916.29, 55,083.21 and 22,012.05

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Solution

The fourth proportional to 39,916.29, 55,083.21 and 22,012.05 is: 30,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.29 : 55,083.21 = 22,012.05 : x
  2. Step 2: Convert to fraction form
    39,916.29/55,083.21 = 22,012.05/x
  3. Step 3: Cross multiply
    39,916.29x = 55,083.21 × 22,012.05
  4. Step 4: Simplify right side
    39,916.29x = 1,212,494,372.68
  5. Step 5: Solve for x
    x = 1,212,494,372.68/39,916.29
  6. Step 6: Final answer
    x = 30,375.93

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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.