Home / 70,004.86-105,007.07-17,414.35

Finding the Fourth Proportional to 70,004.86, 105,007.07 and 17,414.35

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Solution

The fourth proportional to 70,004.86, 105,007.07 and 17,414.35 is: 26,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.86 : 105,007.07 = 17,414.35 : x
  2. Step 2: Convert to fraction form
    70,004.86/105,007.07 = 17,414.35/x
  3. Step 3: Cross multiply
    70,004.86x = 105,007.07 × 17,414.35
  4. Step 4: Simplify right side
    70,004.86x = 1,828,629,650.47
  5. Step 5: Solve for x
    x = 1,828,629,650.47/70,004.86
  6. Step 6: Final answer
    x = 26,121.47

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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.