Home / 40,892.78-61,339.14-10,907.06

Finding the Fourth Proportional to 40,892.78, 61,339.14 and 10,907.06

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Solution

The fourth proportional to 40,892.78, 61,339.14 and 10,907.06 is: 16,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.78 : 61,339.14 = 10,907.06 : x
  2. Step 2: Convert to fraction form
    40,892.78/61,339.14 = 10,907.06/x
  3. Step 3: Cross multiply
    40,892.78x = 61,339.14 × 10,907.06
  4. Step 4: Simplify right side
    40,892.78x = 669,029,680.33
  5. Step 5: Solve for x
    x = 669,029,680.33/40,892.78
  6. Step 6: Final answer
    x = 16,360.58

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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.