Home / 30,838.84-42,555.16-17,413.36

Finding the Fourth Proportional to 30,838.84, 42,555.16 and 17,413.36

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Solution

The fourth proportional to 30,838.84, 42,555.16 and 17,413.36 is: 24,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.84 : 42,555.16 = 17,413.36 : x
  2. Step 2: Convert to fraction form
    30,838.84/42,555.16 = 17,413.36/x
  3. Step 3: Cross multiply
    30,838.84x = 42,555.16 × 17,413.36
  4. Step 4: Simplify right side
    30,838.84x = 741,028,320.94
  5. Step 5: Solve for x
    x = 741,028,320.94/30,838.84
  6. Step 6: Final answer
    x = 24,029.06

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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.