Home / 49,699.40-74,548.73-20,116.81

Finding the Fourth Proportional to 49,699.40, 74,548.73 and 20,116.81

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Solution

The fourth proportional to 49,699.40, 74,548.73 and 20,116.81 is: 30,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,699.40 : 74,548.73 = 20,116.81 : x
  2. Step 2: Convert to fraction form
    49,699.40/74,548.73 = 20,116.81/x
  3. Step 3: Cross multiply
    49,699.40x = 74,548.73 × 20,116.81
  4. Step 4: Simplify right side
    49,699.40x = 1,499,682,304.71
  5. Step 5: Solve for x
    x = 1,499,682,304.71/49,699.40
  6. Step 6: Final answer
    x = 30,175.06

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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.