Home / 40,039.97-55,256.19-22,135.19

Finding the Fourth Proportional to 40,039.97, 55,256.19 and 22,135.19

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Solution

The fourth proportional to 40,039.97, 55,256.19 and 22,135.19 is: 30,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.97 : 55,256.19 = 22,135.19 : x
  2. Step 2: Convert to fraction form
    40,039.97/55,256.19 = 22,135.19/x
  3. Step 3: Cross multiply
    40,039.97x = 55,256.19 × 22,135.19
  4. Step 4: Simplify right side
    40,039.97x = 1,223,106,264.33
  5. Step 5: Solve for x
    x = 1,223,106,264.33/40,039.97
  6. Step 6: Final answer
    x = 30,547.13

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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.