Home / 35,698.20-49,261.50-19,782.60

Finding the Fourth Proportional to 35,698.20, 49,261.50 and 19,782.60

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Solution

The fourth proportional to 35,698.20, 49,261.50 and 19,782.60 is: 27,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,698.20 : 49,261.50 = 19,782.60 : x
  2. Step 2: Convert to fraction form
    35,698.20/49,261.50 = 19,782.60/x
  3. Step 3: Cross multiply
    35,698.20x = 49,261.50 × 19,782.60
  4. Step 4: Simplify right side
    35,698.20x = 974,520,549.90
  5. Step 5: Solve for x
    x = 974,520,549.90/35,698.20
  6. Step 6: Final answer
    x = 27,298.87

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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.