Home / 50,679.81-69,936.08-28,017.36

Finding the Fourth Proportional to 50,679.81, 69,936.08 and 28,017.36

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Solution

The fourth proportional to 50,679.81, 69,936.08 and 28,017.36 is: 38,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,679.81 : 69,936.08 = 28,017.36 : x
  2. Step 2: Convert to fraction form
    50,679.81/69,936.08 = 28,017.36/x
  3. Step 3: Cross multiply
    50,679.81x = 69,936.08 × 28,017.36
  4. Step 4: Simplify right side
    50,679.81x = 1,959,424,190.26
  5. Step 5: Solve for x
    x = 1,959,424,190.26/50,679.81
  6. Step 6: Final answer
    x = 38,662.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.