Home / 47,014.08-70,471.59-15,415.91

Finding the Fourth Proportional to 47,014.08, 70,471.59 and 15,415.91

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Solution

The fourth proportional to 47,014.08, 70,471.59 and 15,415.91 is: 23,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,014.08 : 70,471.59 = 15,415.91 : x
  2. Step 2: Convert to fraction form
    47,014.08/70,471.59 = 15,415.91/x
  3. Step 3: Cross multiply
    47,014.08x = 70,471.59 × 15,415.91
  4. Step 4: Simplify right side
    47,014.08x = 1,086,383,689.00
  5. Step 5: Solve for x
    x = 1,086,383,689.00/47,014.08
  6. Step 6: Final answer
    x = 23,107.62

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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.