Home / 32,139.20-48,176.40-14,621.60

Finding the Fourth Proportional to 32,139.20, 48,176.40 and 14,621.60

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Solution

The fourth proportional to 32,139.20, 48,176.40 and 14,621.60 is: 21,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.20 : 48,176.40 = 14,621.60 : x
  2. Step 2: Convert to fraction form
    32,139.20/48,176.40 = 14,621.60/x
  3. Step 3: Cross multiply
    32,139.20x = 48,176.40 × 14,621.60
  4. Step 4: Simplify right side
    32,139.20x = 704,416,050.24
  5. Step 5: Solve for x
    x = 704,416,050.24/32,139.20
  6. Step 6: Final answer
    x = 21,917.66

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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.