Home / 32,453.60-48,680.40-30,485.30

Finding the Fourth Proportional to 32,453.60, 48,680.40 and 30,485.30

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Solution

The fourth proportional to 32,453.60, 48,680.40 and 30,485.30 is: 45,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,453.60 : 48,680.40 = 30,485.30 : x
  2. Step 2: Convert to fraction form
    32,453.60/48,680.40 = 30,485.30/x
  3. Step 3: Cross multiply
    32,453.60x = 48,680.40 × 30,485.30
  4. Step 4: Simplify right side
    32,453.60x = 1,484,036,598.12
  5. Step 5: Solve for x
    x = 1,484,036,598.12/32,453.60
  6. Step 6: Final answer
    x = 45,727.95

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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.