Home / 55,327.22-76,346.44-31,449.23

Finding the Fourth Proportional to 55,327.22, 76,346.44 and 31,449.23

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Solution

The fourth proportional to 55,327.22, 76,346.44 and 31,449.23 is: 43,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.22 : 76,346.44 = 31,449.23 : x
  2. Step 2: Convert to fraction form
    55,327.22/76,346.44 = 31,449.23/x
  3. Step 3: Cross multiply
    55,327.22x = 76,346.44 × 31,449.23
  4. Step 4: Simplify right side
    55,327.22x = 2,401,036,290.89
  5. Step 5: Solve for x
    x = 2,401,036,290.89/55,327.22
  6. Step 6: Final answer
    x = 43,397.02

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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.