Home / 56,110.63-77,434.29-30,961.75

Finding the Fourth Proportional to 56,110.63, 77,434.29 and 30,961.75

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Solution

The fourth proportional to 56,110.63, 77,434.29 and 30,961.75 is: 42,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,110.63 : 77,434.29 = 30,961.75 : x
  2. Step 2: Convert to fraction form
    56,110.63/77,434.29 = 30,961.75/x
  3. Step 3: Cross multiply
    56,110.63x = 77,434.29 × 30,961.75
  4. Step 4: Simplify right side
    56,110.63x = 2,397,501,128.41
  5. Step 5: Solve for x
    x = 2,397,501,128.41/56,110.63
  6. Step 6: Final answer
    x = 42,728.11

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