Home / 49,460.98-74,190.40-12,021.26

Finding the Fourth Proportional to 49,460.98, 74,190.40 and 12,021.26

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Solution

The fourth proportional to 49,460.98, 74,190.40 and 12,021.26 is: 18,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,460.98 : 74,190.40 = 12,021.26 : x
  2. Step 2: Convert to fraction form
    49,460.98/74,190.40 = 12,021.26/x
  3. Step 3: Cross multiply
    49,460.98x = 74,190.40 × 12,021.26
  4. Step 4: Simplify right side
    49,460.98x = 891,862,171.84
  5. Step 5: Solve for x
    x = 891,862,171.84/49,460.98
  6. Step 6: Final answer
    x = 18,031.63

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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.