Home / 30,732.86-42,413.46-17,123.04

Finding the Fourth Proportional to 30,732.86, 42,413.46 and 17,123.04

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Solution

The fourth proportional to 30,732.86, 42,413.46 and 17,123.04 is: 23,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.86 : 42,413.46 = 17,123.04 : x
  2. Step 2: Convert to fraction form
    30,732.86/42,413.46 = 17,123.04/x
  3. Step 3: Cross multiply
    30,732.86x = 42,413.46 × 17,123.04
  4. Step 4: Simplify right side
    30,732.86x = 726,247,307.91
  5. Step 5: Solve for x
    x = 726,247,307.91/30,732.86
  6. Step 6: Final answer
    x = 23,630.97

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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.