Home / 35,659.19-49,194.21-21,504.17

Finding the Fourth Proportional to 35,659.19, 49,194.21 and 21,504.17

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Solution

The fourth proportional to 35,659.19, 49,194.21 and 21,504.17 is: 29,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,659.19 : 49,194.21 = 21,504.17 : x
  2. Step 2: Convert to fraction form
    35,659.19/49,194.21 = 21,504.17/x
  3. Step 3: Cross multiply
    35,659.19x = 49,194.21 × 21,504.17
  4. Step 4: Simplify right side
    35,659.19x = 1,057,880,654.86
  5. Step 5: Solve for x
    x = 1,057,880,654.86/35,659.19
  6. Step 6: Final answer
    x = 29,666.42

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Half scale
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Double scale
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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.