Home / 51,516.81-71,083.58-30,288.33

Finding the Fourth Proportional to 51,516.81, 71,083.58 and 30,288.33

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Solution

The fourth proportional to 51,516.81, 71,083.58 and 30,288.33 is: 41,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.81 : 71,083.58 = 30,288.33 : x
  2. Step 2: Convert to fraction form
    51,516.81/71,083.58 = 30,288.33/x
  3. Step 3: Cross multiply
    51,516.81x = 71,083.58 × 30,288.33
  4. Step 4: Simplify right side
    51,516.81x = 2,153,002,777.18
  5. Step 5: Solve for x
    x = 2,153,002,777.18/51,516.81
  6. Step 6: Final answer
    x = 41,792.24

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1.5x scale

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.