Home / 30,439.63-42,006.62-17,010.88

Finding the Fourth Proportional to 30,439.63, 42,006.62 and 17,010.88

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Solution

The fourth proportional to 30,439.63, 42,006.62 and 17,010.88 is: 23,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439.63 : 42,006.62 = 17,010.88 : x
  2. Step 2: Convert to fraction form
    30,439.63/42,006.62 = 17,010.88/x
  3. Step 3: Cross multiply
    30,439.63x = 42,006.62 × 17,010.88
  4. Step 4: Simplify right side
    30,439.63x = 714,569,413.85
  5. Step 5: Solve for x
    x = 714,569,413.85/30,439.63
  6. Step 6: Final answer
    x = 23,474.97

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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.