Home / 40,018.08-55,224.41-22,112.84

Finding the Fourth Proportional to 40,018.08, 55,224.41 and 22,112.84

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Solution

The fourth proportional to 40,018.08, 55,224.41 and 22,112.84 is: 30,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.08 : 55,224.41 = 22,112.84 : x
  2. Step 2: Convert to fraction form
    40,018.08/55,224.41 = 22,112.84/x
  3. Step 3: Cross multiply
    40,018.08x = 55,224.41 × 22,112.84
  4. Step 4: Simplify right side
    40,018.08x = 1,221,168,155.74
  5. Step 5: Solve for x
    x = 1,221,168,155.74/40,018.08
  6. Step 6: Final answer
    x = 30,515.41

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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.