Home / 69,490.40-104,235.68-16,899.52

Finding the Fourth Proportional to 69,490.40, 104,235.68 and 16,899.52

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Solution

The fourth proportional to 69,490.40, 104,235.68 and 16,899.52 is: 25,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,490.40 : 104,235.68 = 16,899.52 : x
  2. Step 2: Convert to fraction form
    69,490.40/104,235.68 = 16,899.52/x
  3. Step 3: Cross multiply
    69,490.40x = 104,235.68 × 16,899.52
  4. Step 4: Simplify right side
    69,490.40x = 1,761,532,958.87
  5. Step 5: Solve for x
    x = 1,761,532,958.87/69,490.40
  6. Step 6: Final answer
    x = 25,349.30

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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.