Home / 38,906.84-58,415.08-19,945.28

Finding the Fourth Proportional to 38,906.84, 58,415.08 and 19,945.28

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Solution

The fourth proportional to 38,906.84, 58,415.08 and 19,945.28 is: 29,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.84 : 58,415.08 = 19,945.28 : x
  2. Step 2: Convert to fraction form
    38,906.84/58,415.08 = 19,945.28/x
  3. Step 3: Cross multiply
    38,906.84x = 58,415.08 × 19,945.28
  4. Step 4: Simplify right side
    38,906.84x = 1,165,105,126.82
  5. Step 5: Solve for x
    x = 1,165,105,126.82/38,906.84
  6. Step 6: Final answer
    x = 29,946.02

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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.