Home / 42,994.56-64,503.48-18,021.44

Finding the Fourth Proportional to 42,994.56, 64,503.48 and 18,021.44

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Solution

The fourth proportional to 42,994.56, 64,503.48 and 18,021.44 is: 27,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,994.56 : 64,503.48 = 18,021.44 : x
  2. Step 2: Convert to fraction form
    42,994.56/64,503.48 = 18,021.44/x
  3. Step 3: Cross multiply
    42,994.56x = 64,503.48 × 18,021.44
  4. Step 4: Simplify right side
    42,994.56x = 1,162,445,594.61
  5. Step 5: Solve for x
    x = 1,162,445,594.61/42,994.56
  6. Step 6: Final answer
    x = 27,037.04

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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.