Home / 49,531.06-68,337.93-30,391.18

Finding the Fourth Proportional to 49,531.06, 68,337.93 and 30,391.18

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Solution

The fourth proportional to 49,531.06, 68,337.93 and 30,391.18 is: 41,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,531.06 : 68,337.93 = 30,391.18 : x
  2. Step 2: Convert to fraction form
    49,531.06/68,337.93 = 30,391.18/x
  3. Step 3: Cross multiply
    49,531.06x = 68,337.93 × 30,391.18
  4. Step 4: Simplify right side
    49,531.06x = 2,076,870,331.46
  5. Step 5: Solve for x
    x = 2,076,870,331.46/49,531.06
  6. Step 6: Final answer
    x = 41,930.67

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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.