Home / 49,915.42-74,852.46-20,313.16

Finding the Fourth Proportional to 49,915.42, 74,852.46 and 20,313.16

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Solution

The fourth proportional to 49,915.42, 74,852.46 and 20,313.16 is: 30,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915.42 : 74,852.46 = 20,313.16 : x
  2. Step 2: Convert to fraction form
    49,915.42/74,852.46 = 20,313.16/x
  3. Step 3: Cross multiply
    49,915.42x = 74,852.46 × 20,313.16
  4. Step 4: Simplify right side
    49,915.42x = 1,520,489,996.37
  5. Step 5: Solve for x
    x = 1,520,489,996.37/49,915.42
  6. Step 6: Final answer
    x = 30,461.33

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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.