Home / 38,560.95-53,216.82-21,566.78

Finding the Fourth Proportional to 38,560.95, 53,216.82 and 21,566.78

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Solution

The fourth proportional to 38,560.95, 53,216.82 and 21,566.78 is: 29,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.95 : 53,216.82 = 21,566.78 : x
  2. Step 2: Convert to fraction form
    38,560.95/53,216.82 = 21,566.78/x
  3. Step 3: Cross multiply
    38,560.95x = 53,216.82 × 21,566.78
  4. Step 4: Simplify right side
    38,560.95x = 1,147,715,183.16
  5. Step 5: Solve for x
    x = 1,147,715,183.16/38,560.95
  6. Step 6: Final answer
    x = 29,763.66

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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.