Home / 32,151.05-48,234.18-13,420.68

Finding the Fourth Proportional to 32,151.05, 48,234.18 and 13,420.68

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Solution

The fourth proportional to 32,151.05, 48,234.18 and 13,420.68 is: 20,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,151.05 : 48,234.18 = 13,420.68 : x
  2. Step 2: Convert to fraction form
    32,151.05/48,234.18 = 13,420.68/x
  3. Step 3: Cross multiply
    32,151.05x = 48,234.18 × 13,420.68
  4. Step 4: Simplify right side
    32,151.05x = 647,335,427.74
  5. Step 5: Solve for x
    x = 647,335,427.74/32,151.05
  6. Step 6: Final answer
    x = 20,134.19

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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.