Home / 30,275.33-45,413.25-10,553.85

Finding the Fourth Proportional to 30,275.33, 45,413.25 and 10,553.85

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Solution

The fourth proportional to 30,275.33, 45,413.25 and 10,553.85 is: 15,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.33 : 45,413.25 = 10,553.85 : x
  2. Step 2: Convert to fraction form
    30,275.33/45,413.25 = 10,553.85/x
  3. Step 3: Cross multiply
    30,275.33x = 45,413.25 × 10,553.85
  4. Step 4: Simplify right side
    30,275.33x = 479,284,628.51
  5. Step 5: Solve for x
    x = 479,284,628.51/30,275.33
  6. Step 6: Final answer
    x = 15,830.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.