Home / 38,574.60-53,227.62-21,577.95

Finding the Fourth Proportional to 38,574.60, 53,227.62 and 21,577.95

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Solution

The fourth proportional to 38,574.60, 53,227.62 and 21,577.95 is: 29,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.60 : 53,227.62 = 21,577.95 : x
  2. Step 2: Convert to fraction form
    38,574.60/53,227.62 = 21,577.95/x
  3. Step 3: Cross multiply
    38,574.60x = 53,227.62 × 21,577.95
  4. Step 4: Simplify right side
    38,574.60x = 1,148,542,922.98
  5. Step 5: Solve for x
    x = 1,148,542,922.98/38,574.60
  6. Step 6: Final answer
    x = 29,774.59

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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.