Home / 30,439.26-42,006.06-17,010.54

Finding the Fourth Proportional to 30,439.26, 42,006.06 and 17,010.54

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Solution

The fourth proportional to 30,439.26, 42,006.06 and 17,010.54 is: 23,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439.26 : 42,006.06 = 17,010.54 : x
  2. Step 2: Convert to fraction form
    30,439.26/42,006.06 = 17,010.54/x
  3. Step 3: Cross multiply
    30,439.26x = 42,006.06 × 17,010.54
  4. Step 4: Simplify right side
    30,439.26x = 714,545,763.87
  5. Step 5: Solve for x
    x = 714,545,763.87/30,439.26
  6. Step 6: Final answer
    x = 23,474.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.