Home / 53,994.41-80,991.27-18,438.58

Finding the Fourth Proportional to 53,994.41, 80,991.27 and 18,438.58

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Solution

The fourth proportional to 53,994.41, 80,991.27 and 18,438.58 is: 27,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,994.41 : 80,991.27 = 18,438.58 : x
  2. Step 2: Convert to fraction form
    53,994.41/80,991.27 = 18,438.58/x
  3. Step 3: Cross multiply
    53,994.41x = 80,991.27 × 18,438.58
  4. Step 4: Simplify right side
    53,994.41x = 1,493,363,606.24
  5. Step 5: Solve for x
    x = 1,493,363,606.24/53,994.41
  6. Step 6: Final answer
    x = 27,657.74

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1.5x scale

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.