Home / 38,014.32-52,458.42-21,017.52

Finding the Fourth Proportional to 38,014.32, 52,458.42 and 21,017.52

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Solution

The fourth proportional to 38,014.32, 52,458.42 and 21,017.52 is: 29,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.32 : 52,458.42 = 21,017.52 : x
  2. Step 2: Convert to fraction form
    38,014.32/52,458.42 = 21,017.52/x
  3. Step 3: Cross multiply
    38,014.32x = 52,458.42 × 21,017.52
  4. Step 4: Simplify right side
    38,014.32x = 1,102,545,891.52
  5. Step 5: Solve for x
    x = 1,102,545,891.52/38,014.32
  6. Step 6: Final answer
    x = 29,003.44

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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.