Home / 50,839.72-70,163.02-28,185.82

Finding the Fourth Proportional to 50,839.72, 70,163.02 and 28,185.82

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Solution

The fourth proportional to 50,839.72, 70,163.02 and 28,185.82 is: 38,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,839.72 : 70,163.02 = 28,185.82 : x
  2. Step 2: Convert to fraction form
    50,839.72/70,163.02 = 28,185.82/x
  3. Step 3: Cross multiply
    50,839.72x = 70,163.02 × 28,185.82
  4. Step 4: Simplify right side
    50,839.72x = 1,977,602,506.87
  5. Step 5: Solve for x
    x = 1,977,602,506.87/50,839.72
  6. Step 6: Final answer
    x = 38,898.77

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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.