Home / 40,078.80-55,308.33-22,173.93

Finding the Fourth Proportional to 40,078.80, 55,308.33 and 22,173.93

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Solution

The fourth proportional to 40,078.80, 55,308.33 and 22,173.93 is: 30,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.80 : 55,308.33 = 22,173.93 : x
  2. Step 2: Convert to fraction form
    40,078.80/55,308.33 = 22,173.93/x
  3. Step 3: Cross multiply
    40,078.80x = 55,308.33 × 22,173.93
  4. Step 4: Simplify right side
    40,078.80x = 1,226,402,650.43
  5. Step 5: Solve for x
    x = 1,226,402,650.43/40,078.80
  6. Step 6: Final answer
    x = 30,599.79

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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.