Home / 69,470.47-104,205.39-16,880.10

Finding the Fourth Proportional to 69,470.47, 104,205.39 and 16,880.10

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Solution

The fourth proportional to 69,470.47, 104,205.39 and 16,880.10 is: 25,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.47 : 104,205.39 = 16,880.10 : x
  2. Step 2: Convert to fraction form
    69,470.47/104,205.39 = 16,880.10/x
  3. Step 3: Cross multiply
    69,470.47x = 104,205.39 × 16,880.10
  4. Step 4: Simplify right side
    69,470.47x = 1,758,997,403.74
  5. Step 5: Solve for x
    x = 1,758,997,403.74/69,470.47
  6. Step 6: Final answer
    x = 25,320.07

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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.