Home / 40,445.22-55,813.62-22,539.84

Finding the Fourth Proportional to 40,445.22, 55,813.62 and 22,539.84

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Solution

The fourth proportional to 40,445.22, 55,813.62 and 22,539.84 is: 31,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.22 : 55,813.62 = 22,539.84 : x
  2. Step 2: Convert to fraction form
    40,445.22/55,813.62 = 22,539.84/x
  3. Step 3: Cross multiply
    40,445.22x = 55,813.62 × 22,539.84
  4. Step 4: Simplify right side
    40,445.22x = 1,258,030,064.62
  5. Step 5: Solve for x
    x = 1,258,030,064.62/40,445.22
  6. Step 6: Final answer
    x = 31,104.54

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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.