Home / 35,656.62-49,190.69-21,501.60

Finding the Fourth Proportional to 35,656.62, 49,190.69 and 21,501.60

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Solution

The fourth proportional to 35,656.62, 49,190.69 and 21,501.60 is: 29,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.62 : 49,190.69 = 21,501.60 : x
  2. Step 2: Convert to fraction form
    35,656.62/49,190.69 = 21,501.60/x
  3. Step 3: Cross multiply
    35,656.62x = 49,190.69 × 21,501.60
  4. Step 4: Simplify right side
    35,656.62x = 1,057,678,432.60
  5. Step 5: Solve for x
    x = 1,057,678,432.60/35,656.62
  6. Step 6: Final answer
    x = 29,662.89

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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.