Home / 35,218.98-48,599.72-20,112.48

Finding the Fourth Proportional to 35,218.98, 48,599.72 and 20,112.48

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Solution

The fourth proportional to 35,218.98, 48,599.72 and 20,112.48 is: 27,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218.98 : 48,599.72 = 20,112.48 : x
  2. Step 2: Convert to fraction form
    35,218.98/48,599.72 = 20,112.48/x
  3. Step 3: Cross multiply
    35,218.98x = 48,599.72 × 20,112.48
  4. Step 4: Simplify right side
    35,218.98x = 977,460,896.51
  5. Step 5: Solve for x
    x = 977,460,896.51/35,218.98
  6. Step 6: Final answer
    x = 27,753.81

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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.