Home / 49,509.78-68,328.45-28,292.22

Finding the Fourth Proportional to 49,509.78, 68,328.45 and 28,292.22

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Solution

The fourth proportional to 49,509.78, 68,328.45 and 28,292.22 is: 39,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.78 : 68,328.45 = 28,292.22 : x
  2. Step 2: Convert to fraction form
    49,509.78/68,328.45 = 28,292.22/x
  3. Step 3: Cross multiply
    49,509.78x = 68,328.45 × 28,292.22
  4. Step 4: Simplify right side
    49,509.78x = 1,933,163,539.66
  5. Step 5: Solve for x
    x = 1,933,163,539.66/49,509.78
  6. Step 6: Final answer
    x = 39,046.09

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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.