Home / 57,085.16-85,640.76-30,789.32

Finding the Fourth Proportional to 57,085.16, 85,640.76 and 30,789.32

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Solution

The fourth proportional to 57,085.16, 85,640.76 and 30,789.32 is: 46,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,085.16 : 85,640.76 = 30,789.32 : x
  2. Step 2: Convert to fraction form
    57,085.16/85,640.76 = 30,789.32/x
  3. Step 3: Cross multiply
    57,085.16x = 85,640.76 × 30,789.32
  4. Step 4: Simplify right side
    57,085.16x = 2,636,820,764.68
  5. Step 5: Solve for x
    x = 2,636,820,764.68/57,085.16
  6. Step 6: Final answer
    x = 46,191.00

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