Home / 51,468.92-71,028.37-28,807.72

Finding the Fourth Proportional to 51,468.92, 71,028.37 and 28,807.72

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Solution

The fourth proportional to 51,468.92, 71,028.37 and 28,807.72 is: 39,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,468.92 : 71,028.37 = 28,807.72 : x
  2. Step 2: Convert to fraction form
    51,468.92/71,028.37 = 28,807.72/x
  3. Step 3: Cross multiply
    51,468.92x = 71,028.37 × 28,807.72
  4. Step 4: Simplify right side
    51,468.92x = 2,046,165,395.02
  5. Step 5: Solve for x
    x = 2,046,165,395.02/51,468.92
  6. Step 6: Final answer
    x = 39,755.36

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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.