Home / 32,715.12-49,079.39-12,724.14

Finding the Fourth Proportional to 32,715.12, 49,079.39 and 12,724.14

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Solution

The fourth proportional to 32,715.12, 49,079.39 and 12,724.14 is: 19,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.12 : 49,079.39 = 12,724.14 : x
  2. Step 2: Convert to fraction form
    32,715.12/49,079.39 = 12,724.14/x
  3. Step 3: Cross multiply
    32,715.12x = 49,079.39 × 12,724.14
  4. Step 4: Simplify right side
    32,715.12x = 624,492,965.85
  5. Step 5: Solve for x
    x = 624,492,965.85/32,715.12
  6. Step 6: Final answer
    x = 19,088.82

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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.