Home / 38,770.80-53,504.19-22,854.30

Finding the Fourth Proportional to 38,770.80, 53,504.19 and 22,854.30

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Solution

The fourth proportional to 38,770.80, 53,504.19 and 22,854.30 is: 31,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770.80 : 53,504.19 = 22,854.30 : x
  2. Step 2: Convert to fraction form
    38,770.80/53,504.19 = 22,854.30/x
  3. Step 3: Cross multiply
    38,770.80x = 53,504.19 × 22,854.30
  4. Step 4: Simplify right side
    38,770.80x = 1,222,800,809.52
  5. Step 5: Solve for x
    x = 1,222,800,809.52/38,770.80
  6. Step 6: Final answer
    x = 31,539.22

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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.