Home / 49,555.12-74,313.24-19,967.44

Finding the Fourth Proportional to 49,555.12, 74,313.24 and 19,967.44

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Solution

The fourth proportional to 49,555.12, 74,313.24 and 19,967.44 is: 29,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,555.12 : 74,313.24 = 19,967.44 : x
  2. Step 2: Convert to fraction form
    49,555.12/74,313.24 = 19,967.44/x
  3. Step 3: Cross multiply
    49,555.12x = 74,313.24 × 19,967.44
  4. Step 4: Simplify right side
    49,555.12x = 1,483,845,160.91
  5. Step 5: Solve for x
    x = 1,483,845,160.91/49,555.12
  6. Step 6: Final answer
    x = 29,943.33

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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.