Home / 49,539.48-68,365.64-28,320.72

Finding the Fourth Proportional to 49,539.48, 68,365.64 and 28,320.72

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Solution

The fourth proportional to 49,539.48, 68,365.64 and 28,320.72 is: 39,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539.48 : 68,365.64 = 28,320.72 : x
  2. Step 2: Convert to fraction form
    49,539.48/68,365.64 = 28,320.72/x
  3. Step 3: Cross multiply
    49,539.48x = 68,365.64 × 28,320.72
  4. Step 4: Simplify right side
    49,539.48x = 1,936,164,148.06
  5. Step 5: Solve for x
    x = 1,936,164,148.06/49,539.48
  6. Step 6: Final answer
    x = 39,083.26

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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.