Home / 49,413.42-68,134.10-39,342.29

Finding the Fourth Proportional to 49,413.42, 68,134.10 and 39,342.29

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Solution

The fourth proportional to 49,413.42, 68,134.10 and 39,342.29 is: 54,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,413.42 : 68,134.10 = 39,342.29 : x
  2. Step 2: Convert to fraction form
    49,413.42/68,134.10 = 39,342.29/x
  3. Step 3: Cross multiply
    49,413.42x = 68,134.10 × 39,342.29
  4. Step 4: Simplify right side
    49,413.42x = 2,680,550,983.71
  5. Step 5: Solve for x
    x = 2,680,550,983.71/49,413.42
  6. Step 6: Final answer
    x = 54,247.43

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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.