Home / 32,817.77-45,288.80-18,671.53

Finding the Fourth Proportional to 32,817.77, 45,288.80 and 18,671.53

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Solution

The fourth proportional to 32,817.77, 45,288.80 and 18,671.53 is: 25,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,817.77 : 45,288.80 = 18,671.53 : x
  2. Step 2: Convert to fraction form
    32,817.77/45,288.80 = 18,671.53/x
  3. Step 3: Cross multiply
    32,817.77x = 45,288.80 × 18,671.53
  4. Step 4: Simplify right side
    32,817.77x = 845,611,241.25
  5. Step 5: Solve for x
    x = 845,611,241.25/32,817.77
  6. Step 6: Final answer
    x = 25,766.87

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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.