Home / 49,995.22-69,010.78-28,782.94

Finding the Fourth Proportional to 49,995.22, 69,010.78 and 28,782.94

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Solution

The fourth proportional to 49,995.22, 69,010.78 and 28,782.94 is: 39,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,995.22 : 69,010.78 = 28,782.94 : x
  2. Step 2: Convert to fraction form
    49,995.22/69,010.78 = 28,782.94/x
  3. Step 3: Cross multiply
    49,995.22x = 69,010.78 × 28,782.94
  4. Step 4: Simplify right side
    49,995.22x = 1,986,333,140.09
  5. Step 5: Solve for x
    x = 1,986,333,140.09/49,995.22
  6. Step 6: Final answer
    x = 39,730.46

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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.