Home / 32,121.20-48,181.80-14,625.20

Finding the Fourth Proportional to 32,121.20, 48,181.80 and 14,625.20

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Solution

The fourth proportional to 32,121.20, 48,181.80 and 14,625.20 is: 21,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.20 : 48,181.80 = 14,625.20 : x
  2. Step 2: Convert to fraction form
    32,121.20/48,181.80 = 14,625.20/x
  3. Step 3: Cross multiply
    32,121.20x = 48,181.80 × 14,625.20
  4. Step 4: Simplify right side
    32,121.20x = 704,668,461.36
  5. Step 5: Solve for x
    x = 704,668,461.36/32,121.20
  6. Step 6: Final answer
    x = 21,937.80

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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.