Home / 51,996.08-71,754.54-28,122.80

Finding the Fourth Proportional to 51,996.08, 71,754.54 and 28,122.80

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Solution

The fourth proportional to 51,996.08, 71,754.54 and 28,122.80 is: 38,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,996.08 : 71,754.54 = 28,122.80 : x
  2. Step 2: Convert to fraction form
    51,996.08/71,754.54 = 28,122.80/x
  3. Step 3: Cross multiply
    51,996.08x = 71,754.54 × 28,122.80
  4. Step 4: Simplify right side
    51,996.08x = 2,017,938,577.51
  5. Step 5: Solve for x
    x = 2,017,938,577.51/51,996.08
  6. Step 6: Final answer
    x = 38,809.44

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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.