Home / 35,680.37-49,239.90-19,766.30

Finding the Fourth Proportional to 35,680.37, 49,239.90 and 19,766.30

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Solution

The fourth proportional to 35,680.37, 49,239.90 and 19,766.30 is: 27,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.37 : 49,239.90 = 19,766.30 : x
  2. Step 2: Convert to fraction form
    35,680.37/49,239.90 = 19,766.30/x
  3. Step 3: Cross multiply
    35,680.37x = 49,239.90 × 19,766.30
  4. Step 4: Simplify right side
    35,680.37x = 973,290,389.17
  5. Step 5: Solve for x
    x = 973,290,389.17/35,680.37
  6. Step 6: Final answer
    x = 27,278.04

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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.