Home / 32,151.30-48,234.60-13,420.86

Finding the Fourth Proportional to 32,151.30, 48,234.60 and 13,420.86

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Solution

The fourth proportional to 32,151.30, 48,234.60 and 13,420.86 is: 20,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,151.30 : 48,234.60 = 13,420.86 : x
  2. Step 2: Convert to fraction form
    32,151.30/48,234.60 = 13,420.86/x
  3. Step 3: Cross multiply
    32,151.30x = 48,234.60 × 13,420.86
  4. Step 4: Simplify right side
    32,151.30x = 647,349,813.76
  5. Step 5: Solve for x
    x = 647,349,813.76/32,151.30
  6. Step 6: Final answer
    x = 20,134.48

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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.