Home / 38,957,708.49-53,763,220.22-21,553,770.25

Finding the Fourth Proportional to 38,957,708.49, 53,763,220.22 and 21,553,770.25

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Solution

The fourth proportional to 38,957,708.49, 53,763,220.22 and 21,553,770.25 is: 29,745,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957,708.49 : 53,763,220.22 = 21,553,770.25 : x
  2. Step 2: Convert to fraction form
    38,957,708.49/53,763,220.22 = 21,553,770.25/x
  3. Step 3: Cross multiply
    38,957,708.49x = 53,763,220.22 × 21,553,770.25
  4. Step 4: Simplify right side
    38,957,708.49x = 1,158,800,096,522,034.50
  5. Step 5: Solve for x
    x = 1,158,800,096,522,034.50/38,957,708.49
  6. Step 6: Final answer
    x = 29,745,078.48

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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.