Home / 55,981.20-77,176.64-40,037.84

Finding the Fourth Proportional to 55,981.20, 77,176.64 and 40,037.84

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Solution

The fourth proportional to 55,981.20, 77,176.64 and 40,037.84 is: 55,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.20 : 77,176.64 = 40,037.84 : x
  2. Step 2: Convert to fraction form
    55,981.20/77,176.64 = 40,037.84/x
  3. Step 3: Cross multiply
    55,981.20x = 77,176.64 × 40,037.84
  4. Step 4: Simplify right side
    55,981.20x = 3,089,985,964.06
  5. Step 5: Solve for x
    x = 3,089,985,964.06/55,981.20
  6. Step 6: Final answer
    x = 55,196.85

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