Home / 32,176.40-48,322.20-31,139.60

Finding the Fourth Proportional to 32,176.40, 48,322.20 and 31,139.60

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Solution

The fourth proportional to 32,176.40, 48,322.20 and 31,139.60 is: 46,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,176.40 : 48,322.20 = 31,139.60 : x
  2. Step 2: Convert to fraction form
    32,176.40/48,322.20 = 31,139.60/x
  3. Step 3: Cross multiply
    32,176.40x = 48,322.20 × 31,139.60
  4. Step 4: Simplify right side
    32,176.40x = 1,504,733,979.12
  5. Step 5: Solve for x
    x = 1,504,733,979.12/32,176.40
  6. Step 6: Final answer
    x = 46,765.14

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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.