Home / 40,895.06-61,342.61-12,817.30

Finding the Fourth Proportional to 40,895.06, 61,342.61 and 12,817.30

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Solution

The fourth proportional to 40,895.06, 61,342.61 and 12,817.30 is: 19,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,895.06 : 61,342.61 = 12,817.30 : x
  2. Step 2: Convert to fraction form
    40,895.06/61,342.61 = 12,817.30/x
  3. Step 3: Cross multiply
    40,895.06x = 61,342.61 × 12,817.30
  4. Step 4: Simplify right side
    40,895.06x = 786,246,743.87
  5. Step 5: Solve for x
    x = 786,246,743.87/40,895.06
  6. Step 6: Final answer
    x = 19,225.96

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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.