Home / 47,081.31-70,621.97-15,915.75

Finding the Fourth Proportional to 47,081.31, 70,621.97 and 15,915.75

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Solution

The fourth proportional to 47,081.31, 70,621.97 and 15,915.75 is: 23,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,081.31 : 70,621.97 = 15,915.75 : x
  2. Step 2: Convert to fraction form
    47,081.31/70,621.97 = 15,915.75/x
  3. Step 3: Cross multiply
    47,081.31x = 70,621.97 × 15,915.75
  4. Step 4: Simplify right side
    47,081.31x = 1,124,001,539.45
  5. Step 5: Solve for x
    x = 1,124,001,539.45/47,081.31
  6. Step 6: Final answer
    x = 23,873.63

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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.