Home / 54,378.17-81,574.74-16,940.91

Finding the Fourth Proportional to 54,378.17, 81,574.74 and 16,940.91

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Solution

The fourth proportional to 54,378.17, 81,574.74 and 16,940.91 is: 25,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378.17 : 81,574.74 = 16,940.91 : x
  2. Step 2: Convert to fraction form
    54,378.17/81,574.74 = 16,940.91/x
  3. Step 3: Cross multiply
    54,378.17x = 81,574.74 × 16,940.91
  4. Step 4: Simplify right side
    54,378.17x = 1,381,950,328.61
  5. Step 5: Solve for x
    x = 1,381,950,328.61/54,378.17
  6. Step 6: Final answer
    x = 25,413.70

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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.