Home / 49,915.67-74,852.71-20,313.41

Finding the Fourth Proportional to 49,915.67, 74,852.71 and 20,313.41

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Solution

The fourth proportional to 49,915.67, 74,852.71 and 20,313.41 is: 30,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915.67 : 74,852.71 = 20,313.41 : x
  2. Step 2: Convert to fraction form
    49,915.67/74,852.71 = 20,313.41/x
  3. Step 3: Cross multiply
    49,915.67x = 74,852.71 × 20,313.41
  4. Step 4: Simplify right side
    49,915.67x = 1,520,513,362.79
  5. Step 5: Solve for x
    x = 1,520,513,362.79/49,915.67
  6. Step 6: Final answer
    x = 30,461.65

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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.