Home / 39,916.66-55,087.32-22,015.48

Finding the Fourth Proportional to 39,916.66, 55,087.32 and 22,015.48

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Solution

The fourth proportional to 39,916.66, 55,087.32 and 22,015.48 is: 30,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.66 : 55,087.32 = 22,015.48 : x
  2. Step 2: Convert to fraction form
    39,916.66/55,087.32 = 22,015.48/x
  3. Step 3: Cross multiply
    39,916.66x = 55,087.32 × 22,015.48
  4. Step 4: Simplify right side
    39,916.66x = 1,212,773,791.71
  5. Step 5: Solve for x
    x = 1,212,773,791.71/39,916.66
  6. Step 6: Final answer
    x = 30,382.65

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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.