Home / 38,525.43-53,165.40-21,758.43

Finding the Fourth Proportional to 38,525.43, 53,165.40 and 21,758.43

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Solution

The fourth proportional to 38,525.43, 53,165.40 and 21,758.43 is: 30,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.43 : 53,165.40 = 21,758.43 : x
  2. Step 2: Convert to fraction form
    38,525.43/53,165.40 = 21,758.43/x
  3. Step 3: Cross multiply
    38,525.43x = 53,165.40 × 21,758.43
  4. Step 4: Simplify right side
    38,525.43x = 1,156,795,634.32
  5. Step 5: Solve for x
    x = 1,156,795,634.32/38,525.43
  6. Step 6: Final answer
    x = 30,026.81

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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.