Home / 32,109.91-48,178.62-12,402.29

Finding the Fourth Proportional to 32,109.91, 48,178.62 and 12,402.29

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Solution

The fourth proportional to 32,109.91, 48,178.62 and 12,402.29 is: 18,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,109.91 : 48,178.62 = 12,402.29 : x
  2. Step 2: Convert to fraction form
    32,109.91/48,178.62 = 12,402.29/x
  3. Step 3: Cross multiply
    32,109.91x = 48,178.62 × 12,402.29
  4. Step 4: Simplify right side
    32,109.91x = 597,525,337.49
  5. Step 5: Solve for x
    x = 597,525,337.49/32,109.91
  6. Step 6: Final answer
    x = 18,608.75

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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.