Home / 35,821.01-49,434.40-19,905.12

Finding the Fourth Proportional to 35,821.01, 49,434.40 and 19,905.12

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Solution

The fourth proportional to 35,821.01, 49,434.40 and 19,905.12 is: 27,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.01 : 49,434.40 = 19,905.12 : x
  2. Step 2: Convert to fraction form
    35,821.01/49,434.40 = 19,905.12/x
  3. Step 3: Cross multiply
    35,821.01x = 49,434.40 × 19,905.12
  4. Step 4: Simplify right side
    35,821.01x = 983,997,549.98
  5. Step 5: Solve for x
    x = 983,997,549.98/35,821.01
  6. Step 6: Final answer
    x = 27,469.84

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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.