Home / 53,950.50-74,450.84-30,078.63

Finding the Fourth Proportional to 53,950.50, 74,450.84 and 30,078.63

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Solution

The fourth proportional to 53,950.50, 74,450.84 and 30,078.63 is: 41,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,950.50 : 74,450.84 = 30,078.63 : x
  2. Step 2: Convert to fraction form
    53,950.50/74,450.84 = 30,078.63/x
  3. Step 3: Cross multiply
    53,950.50x = 74,450.84 × 30,078.63
  4. Step 4: Simplify right side
    53,950.50x = 2,239,379,119.16
  5. Step 5: Solve for x
    x = 2,239,379,119.16/53,950.50
  6. Step 6: Final answer
    x = 41,508.03

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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.