Home / 49,054.95-67,710.33-28,918.35

Finding the Fourth Proportional to 49,054.95, 67,710.33 and 28,918.35

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Solution

The fourth proportional to 49,054.95, 67,710.33 and 28,918.35 is: 39,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,054.95 : 67,710.33 = 28,918.35 : x
  2. Step 2: Convert to fraction form
    49,054.95/67,710.33 = 28,918.35/x
  3. Step 3: Cross multiply
    49,054.95x = 67,710.33 × 28,918.35
  4. Step 4: Simplify right side
    49,054.95x = 1,958,071,021.56
  5. Step 5: Solve for x
    x = 1,958,071,021.56/49,054.95
  6. Step 6: Final answer
    x = 39,915.87

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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.