Home / 32,712.20-49,084.50-12,990.32

Finding the Fourth Proportional to 32,712.20, 49,084.50 and 12,990.32

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Solution

The fourth proportional to 32,712.20, 49,084.50 and 12,990.32 is: 19,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.20 : 49,084.50 = 12,990.32 : x
  2. Step 2: Convert to fraction form
    32,712.20/49,084.50 = 12,990.32/x
  3. Step 3: Cross multiply
    32,712.20x = 49,084.50 × 12,990.32
  4. Step 4: Simplify right side
    32,712.20x = 637,623,362.04
  5. Step 5: Solve for x
    x = 637,623,362.04/32,712.20
  6. Step 6: Final answer
    x = 19,491.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.