Home / 40,994.56-61,445.76-20,232.64

Finding the Fourth Proportional to 40,994.56, 61,445.76 and 20,232.64

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Solution

The fourth proportional to 40,994.56, 61,445.76 and 20,232.64 is: 30,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,994.56 : 61,445.76 = 20,232.64 : x
  2. Step 2: Convert to fraction form
    40,994.56/61,445.76 = 20,232.64/x
  3. Step 3: Cross multiply
    40,994.56x = 61,445.76 × 20,232.64
  4. Step 4: Simplify right side
    40,994.56x = 1,243,209,941.61
  5. Step 5: Solve for x
    x = 1,243,209,941.61/40,994.56
  6. Step 6: Final answer
    x = 30,326.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.