Home / 47,686.62-71,529.93-12,629.01

Finding the Fourth Proportional to 47,686.62, 71,529.93 and 12,629.01

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Solution

The fourth proportional to 47,686.62, 71,529.93 and 12,629.01 is: 18,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,686.62 : 71,529.93 = 12,629.01 : x
  2. Step 2: Convert to fraction form
    47,686.62/71,529.93 = 12,629.01/x
  3. Step 3: Cross multiply
    47,686.62x = 71,529.93 × 12,629.01
  4. Step 4: Simplify right side
    47,686.62x = 903,352,201.27
  5. Step 5: Solve for x
    x = 903,352,201.27/47,686.62
  6. Step 6: Final answer
    x = 18,943.52

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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.