Home / 32,807.20-49,235.10-13,099.90

Finding the Fourth Proportional to 32,807.20, 49,235.10 and 13,099.90

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Solution

The fourth proportional to 32,807.20, 49,235.10 and 13,099.90 is: 19,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,807.20 : 49,235.10 = 13,099.90 : x
  2. Step 2: Convert to fraction form
    32,807.20/49,235.10 = 13,099.90/x
  3. Step 3: Cross multiply
    32,807.20x = 49,235.10 × 13,099.90
  4. Step 4: Simplify right side
    32,807.20x = 644,974,886.49
  5. Step 5: Solve for x
    x = 644,974,886.49/32,807.20
  6. Step 6: Final answer
    x = 19,659.55

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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.