Home / 47,885.74-71,837.61-14,608.78

Finding the Fourth Proportional to 47,885.74, 71,837.61 and 14,608.78

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Solution

The fourth proportional to 47,885.74, 71,837.61 and 14,608.78 is: 21,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,885.74 : 71,837.61 = 14,608.78 : x
  2. Step 2: Convert to fraction form
    47,885.74/71,837.61 = 14,608.78/x
  3. Step 3: Cross multiply
    47,885.74x = 71,837.61 × 14,608.78
  4. Step 4: Simplify right side
    47,885.74x = 1,049,459,840.22
  5. Step 5: Solve for x
    x = 1,049,459,840.22/47,885.74
  6. Step 6: Final answer
    x = 21,915.92

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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.