Home / 32,812.20-49,218.30-13,080.60

Finding the Fourth Proportional to 32,812.20, 49,218.30 and 13,080.60

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Solution

The fourth proportional to 32,812.20, 49,218.30 and 13,080.60 is: 19,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,812.20 : 49,218.30 = 13,080.60 : x
  2. Step 2: Convert to fraction form
    32,812.20/49,218.30 = 13,080.60/x
  3. Step 3: Cross multiply
    32,812.20x = 49,218.30 × 13,080.60
  4. Step 4: Simplify right side
    32,812.20x = 643,804,894.98
  5. Step 5: Solve for x
    x = 643,804,894.98/32,812.20
  6. Step 6: Final answer
    x = 19,620.90

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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.