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Finding the Fourth Proportional to 45,499.94, 68,203.14 and 17,413.40

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Solution

The fourth proportional to 45,499.94, 68,203.14 and 17,413.40 is: 26,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,499.94 : 68,203.14 = 17,413.40 : x
  2. Step 2: Convert to fraction form
    45,499.94/68,203.14 = 17,413.40/x
  3. Step 3: Cross multiply
    45,499.94x = 68,203.14 × 17,413.40
  4. Step 4: Simplify right side
    45,499.94x = 1,187,648,558.08
  5. Step 5: Solve for x
    x = 1,187,648,558.08/45,499.94
  6. Step 6: Final answer
    x = 26,102.20

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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.