Home / 32,078.20-48,117.30-9,889.60

Finding the Fourth Proportional to 32,078.20, 48,117.30 and 9,889.60

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Solution

The fourth proportional to 32,078.20, 48,117.30 and 9,889.60 is: 14,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,078.20 : 48,117.30 = 9,889.60 : x
  2. Step 2: Convert to fraction form
    32,078.20/48,117.30 = 9,889.60/x
  3. Step 3: Cross multiply
    32,078.20x = 48,117.30 × 9,889.60
  4. Step 4: Simplify right side
    32,078.20x = 475,860,850.08
  5. Step 5: Solve for x
    x = 475,860,850.08/32,078.20
  6. Step 6: Final answer
    x = 14,834.40

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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.