Home / 35,775.07-49,371.90-20,668.36

Finding the Fourth Proportional to 35,775.07, 49,371.90 and 20,668.36

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Solution

The fourth proportional to 35,775.07, 49,371.90 and 20,668.36 is: 28,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.07 : 49,371.90 = 20,668.36 : x
  2. Step 2: Convert to fraction form
    35,775.07/49,371.90 = 20,668.36/x
  3. Step 3: Cross multiply
    35,775.07x = 49,371.90 × 20,668.36
  4. Step 4: Simplify right side
    35,775.07x = 1,020,436,203.08
  5. Step 5: Solve for x
    x = 1,020,436,203.08/35,775.07
  6. Step 6: Final answer
    x = 28,523.67

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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.