Home / 35,889.57-49,523.31-20,780.17

Finding the Fourth Proportional to 35,889.57, 49,523.31 and 20,780.17

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Solution

The fourth proportional to 35,889.57, 49,523.31 and 20,780.17 is: 28,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,889.57 : 49,523.31 = 20,780.17 : x
  2. Step 2: Convert to fraction form
    35,889.57/49,523.31 = 20,780.17/x
  3. Step 3: Cross multiply
    35,889.57x = 49,523.31 × 20,780.17
  4. Step 4: Simplify right side
    35,889.57x = 1,029,103,018.59
  5. Step 5: Solve for x
    x = 1,029,103,018.59/35,889.57
  6. Step 6: Final answer
    x = 28,674.16

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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.