Home / 40,069.08-55,290.44-22,161.64

Finding the Fourth Proportional to 40,069.08, 55,290.44 and 22,161.64

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Solution

The fourth proportional to 40,069.08, 55,290.44 and 22,161.64 is: 30,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069.08 : 55,290.44 = 22,161.64 : x
  2. Step 2: Convert to fraction form
    40,069.08/55,290.44 = 22,161.64/x
  3. Step 3: Cross multiply
    40,069.08x = 55,290.44 × 22,161.64
  4. Step 4: Simplify right side
    40,069.08x = 1,225,326,826.72
  5. Step 5: Solve for x
    x = 1,225,326,826.72/40,069.08
  6. Step 6: Final answer
    x = 30,580.36

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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.