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Finding the Fourth Proportional to 49,274.94, 67,999.72 and 26,918.94

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Solution

The fourth proportional to 49,274.94, 67,999.72 and 26,918.94 is: 37,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,274.94 : 67,999.72 = 26,918.94 : x
  2. Step 2: Convert to fraction form
    49,274.94/67,999.72 = 26,918.94/x
  3. Step 3: Cross multiply
    49,274.94x = 67,999.72 × 26,918.94
  4. Step 4: Simplify right side
    49,274.94x = 1,830,480,382.70
  5. Step 5: Solve for x
    x = 1,830,480,382.70/49,274.94
  6. Step 6: Final answer
    x = 37,148.30

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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.