Home / 49,831.98-74,746.80-12,392.16

Finding the Fourth Proportional to 49,831.98, 74,746.80 and 12,392.16

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Solution

The fourth proportional to 49,831.98, 74,746.80 and 12,392.16 is: 18,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831.98 : 74,746.80 = 12,392.16 : x
  2. Step 2: Convert to fraction form
    49,831.98/74,746.80 = 12,392.16/x
  3. Step 3: Cross multiply
    49,831.98x = 74,746.80 × 12,392.16
  4. Step 4: Simplify right side
    49,831.98x = 926,274,305.09
  5. Step 5: Solve for x
    x = 926,274,305.09/49,831.98
  6. Step 6: Final answer
    x = 18,587.95

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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.