Home / 69,430.90-104,146.74-16,840.42

Finding the Fourth Proportional to 69,430.90, 104,146.74 and 16,840.42

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Solution

The fourth proportional to 69,430.90, 104,146.74 and 16,840.42 is: 25,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430.90 : 104,146.74 = 16,840.42 : x
  2. Step 2: Convert to fraction form
    69,430.90/104,146.74 = 16,840.42/x
  3. Step 3: Cross multiply
    69,430.90x = 104,146.74 × 16,840.42
  4. Step 4: Simplify right side
    69,430.90x = 1,753,874,843.23
  5. Step 5: Solve for x
    x = 1,753,874,843.23/69,430.90
  6. Step 6: Final answer
    x = 25,260.72

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1.5x scale

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.