Home / 35,881.75-49,511.55-21,538.54

Finding the Fourth Proportional to 35,881.75, 49,511.55 and 21,538.54

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Solution

The fourth proportional to 35,881.75, 49,511.55 and 21,538.54 is: 29,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,881.75 : 49,511.55 = 21,538.54 : x
  2. Step 2: Convert to fraction form
    35,881.75/49,511.55 = 21,538.54/x
  3. Step 3: Cross multiply
    35,881.75x = 49,511.55 × 21,538.54
  4. Step 4: Simplify right side
    35,881.75x = 1,066,406,392.44
  5. Step 5: Solve for x
    x = 1,066,406,392.44/35,881.75
  6. Step 6: Final answer
    x = 29,720.02

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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.