Home / 57,020.16-84,961.92-50,812.80

Finding the Fourth Proportional to 57,020.16, 84,961.92 and 50,812.80

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Solution

The fourth proportional to 57,020.16, 84,961.92 and 50,812.80 is: 75,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.16 : 84,961.92 = 50,812.80 : x
  2. Step 2: Convert to fraction form
    57,020.16/84,961.92 = 50,812.80/x
  3. Step 3: Cross multiply
    57,020.16x = 84,961.92 × 50,812.80
  4. Step 4: Simplify right side
    57,020.16x = 4,317,153,048.58
  5. Step 5: Solve for x
    x = 4,317,153,048.58/57,020.16
  6. Step 6: Final answer
    x = 75,712.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.