Home / 32,185.28-44,431.20-20,254.40

Finding the Fourth Proportional to 32,185.28, 44,431.20 and 20,254.40

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Solution

The fourth proportional to 32,185.28, 44,431.20 and 20,254.40 is: 27,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,185.28 : 44,431.20 = 20,254.40 : x
  2. Step 2: Convert to fraction form
    32,185.28/44,431.20 = 20,254.40/x
  3. Step 3: Cross multiply
    32,185.28x = 44,431.20 × 20,254.40
  4. Step 4: Simplify right side
    32,185.28x = 899,927,297.28
  5. Step 5: Solve for x
    x = 899,927,297.28/32,185.28
  6. Step 6: Final answer
    x = 27,960.83

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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.