Home / 30,734.90-42,413.69-17,306.11

Finding the Fourth Proportional to 30,734.90, 42,413.69 and 17,306.11

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Solution

The fourth proportional to 30,734.90, 42,413.69 and 17,306.11 is: 23,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734.90 : 42,413.69 = 17,306.11 : x
  2. Step 2: Convert to fraction form
    30,734.90/42,413.69 = 17,306.11/x
  3. Step 3: Cross multiply
    30,734.90x = 42,413.69 × 17,306.11
  4. Step 4: Simplify right side
    30,734.90x = 734,015,984.65
  5. Step 5: Solve for x
    x = 734,015,984.65/30,734.90
  6. Step 6: Final answer
    x = 23,882.17

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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.