Home / 69,587.46-104,381.78-19,666.44

Finding the Fourth Proportional to 69,587.46, 104,381.78 and 19,666.44

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Solution

The fourth proportional to 69,587.46, 104,381.78 and 19,666.44 is: 29,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,587.46 : 104,381.78 = 19,666.44 : x
  2. Step 2: Convert to fraction form
    69,587.46/104,381.78 = 19,666.44/x
  3. Step 3: Cross multiply
    69,587.46x = 104,381.78 × 19,666.44
  4. Step 4: Simplify right side
    69,587.46x = 2,052,817,915.13
  5. Step 5: Solve for x
    x = 2,052,817,915.13/69,587.46
  6. Step 6: Final answer
    x = 29,499.83

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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.