Home / 32,651.19-45,052.47-30,990.29

Finding the Fourth Proportional to 32,651.19, 45,052.47 and 30,990.29

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Solution

The fourth proportional to 32,651.19, 45,052.47 and 30,990.29 is: 42,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.19 : 45,052.47 = 30,990.29 : x
  2. Step 2: Convert to fraction form
    32,651.19/45,052.47 = 30,990.29/x
  3. Step 3: Cross multiply
    32,651.19x = 45,052.47 × 30,990.29
  4. Step 4: Simplify right side
    32,651.19x = 1,396,188,885.25
  5. Step 5: Solve for x
    x = 1,396,188,885.25/32,651.19
  6. Step 6: Final answer
    x = 42,760.74

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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.