Home / 39,916.78-55,085.16-22,922.14

Finding the Fourth Proportional to 39,916.78, 55,085.16 and 22,922.14

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Solution

The fourth proportional to 39,916.78, 55,085.16 and 22,922.14 is: 31,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.78 : 55,085.16 = 22,922.14 : x
  2. Step 2: Convert to fraction form
    39,916.78/55,085.16 = 22,922.14/x
  3. Step 3: Cross multiply
    39,916.78x = 55,085.16 × 22,922.14
  4. Step 4: Simplify right side
    39,916.78x = 1,262,669,749.44
  5. Step 5: Solve for x
    x = 1,262,669,749.44/39,916.78
  6. Step 6: Final answer
    x = 31,632.56

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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.