Home / 52,852.20-72,935.99-28,979.27

Finding the Fourth Proportional to 52,852.20, 72,935.99 and 28,979.27

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Solution

The fourth proportional to 52,852.20, 72,935.99 and 28,979.27 is: 39,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,852.20 : 72,935.99 = 28,979.27 : x
  2. Step 2: Convert to fraction form
    52,852.20/72,935.99 = 28,979.27/x
  3. Step 3: Cross multiply
    52,852.20x = 72,935.99 × 28,979.27
  4. Step 4: Simplify right side
    52,852.20x = 2,113,631,782.54
  5. Step 5: Solve for x
    x = 2,113,631,782.54/52,852.20
  6. Step 6: Final answer
    x = 39,991.37

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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.