Home / 51,429.55-70,979.35-28,769.80

Finding the Fourth Proportional to 51,429.55, 70,979.35 and 28,769.80

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Solution

The fourth proportional to 51,429.55, 70,979.35 and 28,769.80 is: 39,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,429.55 : 70,979.35 = 28,769.80 : x
  2. Step 2: Convert to fraction form
    51,429.55/70,979.35 = 28,769.80/x
  3. Step 3: Cross multiply
    51,429.55x = 70,979.35 × 28,769.80
  4. Step 4: Simplify right side
    51,429.55x = 2,042,061,703.63
  5. Step 5: Solve for x
    x = 2,042,061,703.63/51,429.55
  6. Step 6: Final answer
    x = 39,706.00

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