Home / 47,680.43-71,521.20-14,400.77

Finding the Fourth Proportional to 47,680.43, 71,521.20 and 14,400.77

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Solution

The fourth proportional to 47,680.43, 71,521.20 and 14,400.77 is: 21,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,680.43 : 71,521.20 = 14,400.77 : x
  2. Step 2: Convert to fraction form
    47,680.43/71,521.20 = 14,400.77/x
  3. Step 3: Cross multiply
    47,680.43x = 71,521.20 × 14,400.77
  4. Step 4: Simplify right side
    47,680.43x = 1,029,959,993.72
  5. Step 5: Solve for x
    x = 1,029,959,993.72/47,680.43
  6. Step 6: Final answer
    x = 21,601.32

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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.