Home / 30,011.79-41,413.44-19,237.65

Finding the Fourth Proportional to 30,011.79, 41,413.44 and 19,237.65

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Solution

The fourth proportional to 30,011.79, 41,413.44 and 19,237.65 is: 26,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.79 : 41,413.44 = 19,237.65 : x
  2. Step 2: Convert to fraction form
    30,011.79/41,413.44 = 19,237.65/x
  3. Step 3: Cross multiply
    30,011.79x = 41,413.44 × 19,237.65
  4. Step 4: Simplify right side
    30,011.79x = 796,697,264.02
  5. Step 5: Solve for x
    x = 796,697,264.02/30,011.79
  6. Step 6: Final answer
    x = 26,546.14

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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.