Home / 53,938.85-80,895.31-27,630.05

Finding the Fourth Proportional to 53,938.85, 80,895.31 and 27,630.05

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Solution

The fourth proportional to 53,938.85, 80,895.31 and 27,630.05 is: 41,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,938.85 : 80,895.31 = 27,630.05 : x
  2. Step 2: Convert to fraction form
    53,938.85/80,895.31 = 27,630.05/x
  3. Step 3: Cross multiply
    53,938.85x = 80,895.31 × 27,630.05
  4. Step 4: Simplify right side
    53,938.85x = 2,235,141,460.07
  5. Step 5: Solve for x
    x = 2,235,141,460.07/53,938.85
  6. Step 6: Final answer
    x = 41,438.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.