Home / 40,078.54-55,308.14-22,173.17

Finding the Fourth Proportional to 40,078.54, 55,308.14 and 22,173.17

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Solution

The fourth proportional to 40,078.54, 55,308.14 and 22,173.17 is: 30,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.54 : 55,308.14 = 22,173.17 : x
  2. Step 2: Convert to fraction form
    40,078.54/55,308.14 = 22,173.17/x
  3. Step 3: Cross multiply
    40,078.54x = 55,308.14 × 22,173.17
  4. Step 4: Simplify right side
    40,078.54x = 1,226,356,403.20
  5. Step 5: Solve for x
    x = 1,226,356,403.20/40,078.54
  6. Step 6: Final answer
    x = 30,598.83

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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.