Home / 53,977.98-74,490.57-30,102.09

Finding the Fourth Proportional to 53,977.98, 74,490.57 and 30,102.09

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Solution

The fourth proportional to 53,977.98, 74,490.57 and 30,102.09 is: 41,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.98 : 74,490.57 = 30,102.09 : x
  2. Step 2: Convert to fraction form
    53,977.98/74,490.57 = 30,102.09/x
  3. Step 3: Cross multiply
    53,977.98x = 74,490.57 × 30,102.09
  4. Step 4: Simplify right side
    53,977.98x = 2,242,321,842.29
  5. Step 5: Solve for x
    x = 2,242,321,842.29/53,977.98
  6. Step 6: Final answer
    x = 41,541.42

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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.