Home / 40,817.61-61,240.05-15,858.45

Finding the Fourth Proportional to 40,817.61, 61,240.05 and 15,858.45

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Solution

The fourth proportional to 40,817.61, 61,240.05 and 15,858.45 is: 23,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,817.61 : 61,240.05 = 15,858.45 : x
  2. Step 2: Convert to fraction form
    40,817.61/61,240.05 = 15,858.45/x
  3. Step 3: Cross multiply
    40,817.61x = 61,240.05 × 15,858.45
  4. Step 4: Simplify right side
    40,817.61x = 971,172,270.92
  5. Step 5: Solve for x
    x = 971,172,270.92/40,817.61
  6. Step 6: Final answer
    x = 23,792.97

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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.