Home / 49,347.58-74,020.68-11,907.34

Finding the Fourth Proportional to 49,347.58, 74,020.68 and 11,907.34

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Solution

The fourth proportional to 49,347.58, 74,020.68 and 11,907.34 is: 17,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,347.58 : 74,020.68 = 11,907.34 : x
  2. Step 2: Convert to fraction form
    49,347.58/74,020.68 = 11,907.34/x
  3. Step 3: Cross multiply
    49,347.58x = 74,020.68 × 11,907.34
  4. Step 4: Simplify right side
    49,347.58x = 881,389,403.79
  5. Step 5: Solve for x
    x = 881,389,403.79/49,347.58
  6. Step 6: Final answer
    x = 17,860.84

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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.