Home / 32,187.30-48,216.12-20,458.50

Finding the Fourth Proportional to 32,187.30, 48,216.12 and 20,458.50

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Solution

The fourth proportional to 32,187.30, 48,216.12 and 20,458.50 is: 30,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,187.30 : 48,216.12 = 20,458.50 : x
  2. Step 2: Convert to fraction form
    32,187.30/48,216.12 = 20,458.50/x
  3. Step 3: Cross multiply
    32,187.30x = 48,216.12 × 20,458.50
  4. Step 4: Simplify right side
    32,187.30x = 986,429,491.02
  5. Step 5: Solve for x
    x = 986,429,491.02/32,187.30
  6. Step 6: Final answer
    x = 30,646.54

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1.5x scale

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.