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Finding the Fourth Proportional to 34,356.98, 47,413.98 and 19,249.76

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Solution

The fourth proportional to 34,356.98, 47,413.98 and 19,249.76 is: 26,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.98 : 47,413.98 = 19,249.76 : x
  2. Step 2: Convert to fraction form
    34,356.98/47,413.98 = 19,249.76/x
  3. Step 3: Cross multiply
    34,356.98x = 47,413.98 × 19,249.76
  4. Step 4: Simplify right side
    34,356.98x = 912,707,665.23
  5. Step 5: Solve for x
    x = 912,707,665.23/34,356.98
  6. Step 6: Final answer
    x = 26,565.43

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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.