Home / 40,836.03-61,257.90-15,878.00

Finding the Fourth Proportional to 40,836.03, 61,257.90 and 15,878.00

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Solution

The fourth proportional to 40,836.03, 61,257.90 and 15,878.00 is: 23,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.03 : 61,257.90 = 15,878.00 : x
  2. Step 2: Convert to fraction form
    40,836.03/61,257.90 = 15,878.00/x
  3. Step 3: Cross multiply
    40,836.03x = 61,257.90 × 15,878.00
  4. Step 4: Simplify right side
    40,836.03x = 972,652,629.91
  5. Step 5: Solve for x
    x = 972,652,629.91/40,836.03
  6. Step 6: Final answer
    x = 23,818.49

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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.