Home / 35,237.43-48,628.80-20,126.88

Finding the Fourth Proportional to 35,237.43, 48,628.80 and 20,126.88

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Solution

The fourth proportional to 35,237.43, 48,628.80 and 20,126.88 is: 27,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,237.43 : 48,628.80 = 20,126.88 : x
  2. Step 2: Convert to fraction form
    35,237.43/48,628.80 = 20,126.88/x
  3. Step 3: Cross multiply
    35,237.43x = 48,628.80 × 20,126.88
  4. Step 4: Simplify right side
    35,237.43x = 978,746,022.14
  5. Step 5: Solve for x
    x = 978,746,022.14/35,237.43
  6. Step 6: Final answer
    x = 27,775.75

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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.