Home / 69,677.76-104,516.61-19,758.29

Finding the Fourth Proportional to 69,677.76, 104,516.61 and 19,758.29

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Solution

The fourth proportional to 69,677.76, 104,516.61 and 19,758.29 is: 29,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,677.76 : 104,516.61 = 19,758.29 : x
  2. Step 2: Convert to fraction form
    69,677.76/104,516.61 = 19,758.29/x
  3. Step 3: Cross multiply
    69,677.76x = 104,516.61 × 19,758.29
  4. Step 4: Simplify right side
    69,677.76x = 2,065,069,592.57
  5. Step 5: Solve for x
    x = 2,065,069,592.57/69,677.76
  6. Step 6: Final answer
    x = 29,637.43

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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.