Home / 39,916.83-55,084.41-22,012.32

Finding the Fourth Proportional to 39,916.83, 55,084.41 and 22,012.32

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Solution

The fourth proportional to 39,916.83, 55,084.41 and 22,012.32 is: 30,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.83 : 55,084.41 = 22,012.32 : x
  2. Step 2: Convert to fraction form
    39,916.83/55,084.41 = 22,012.32/x
  3. Step 3: Cross multiply
    39,916.83x = 55,084.41 × 22,012.32
  4. Step 4: Simplify right side
    39,916.83x = 1,212,535,659.93
  5. Step 5: Solve for x
    x = 1,212,535,659.93/39,916.83
  6. Step 6: Final answer
    x = 30,376.55

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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.