Home / 42,047.39-63,086.27-20,985.77

Finding the Fourth Proportional to 42,047.39, 63,086.27 and 20,985.77

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Solution

The fourth proportional to 42,047.39, 63,086.27 and 20,985.77 is: 31,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,047.39 : 63,086.27 = 20,985.77 : x
  2. Step 2: Convert to fraction form
    42,047.39/63,086.27 = 20,985.77/x
  3. Step 3: Cross multiply
    42,047.39x = 63,086.27 × 20,985.77
  4. Step 4: Simplify right side
    42,047.39x = 1,323,913,532.02
  5. Step 5: Solve for x
    x = 1,323,913,532.02/42,047.39
  6. Step 6: Final answer
    x = 31,486.23

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