Home / 32,115.40-48,180.30-9,929.80

Finding the Fourth Proportional to 32,115.40, 48,180.30 and 9,929.80

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Solution

The fourth proportional to 32,115.40, 48,180.30 and 9,929.80 is: 14,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,115.40 : 48,180.30 = 9,929.80 : x
  2. Step 2: Convert to fraction form
    32,115.40/48,180.30 = 9,929.80/x
  3. Step 3: Cross multiply
    32,115.40x = 48,180.30 × 9,929.80
  4. Step 4: Simplify right side
    32,115.40x = 478,420,742.94
  5. Step 5: Solve for x
    x = 478,420,742.94/32,115.40
  6. Step 6: Final answer
    x = 14,896.93

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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.