Home / 49,996.64-74,970.36-20,406.53

Finding the Fourth Proportional to 49,996.64, 74,970.36 and 20,406.53

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Solution

The fourth proportional to 49,996.64, 74,970.36 and 20,406.53 is: 30,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,996.64 : 74,970.36 = 20,406.53 : x
  2. Step 2: Convert to fraction form
    49,996.64/74,970.36 = 20,406.53/x
  3. Step 3: Cross multiply
    49,996.64x = 74,970.36 × 20,406.53
  4. Step 4: Simplify right side
    49,996.64x = 1,529,885,087.88
  5. Step 5: Solve for x
    x = 1,529,885,087.88/49,996.64
  6. Step 6: Final answer
    x = 30,599.76

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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.