Home / 29,710.32-41,018.88-19,118.36

Finding the Fourth Proportional to 29,710.32, 41,018.88 and 19,118.36

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Solution

The fourth proportional to 29,710.32, 41,018.88 and 19,118.36 is: 26,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,710.32 : 41,018.88 = 19,118.36 : x
  2. Step 2: Convert to fraction form
    29,710.32/41,018.88 = 19,118.36/x
  3. Step 3: Cross multiply
    29,710.32x = 41,018.88 × 19,118.36
  4. Step 4: Simplify right side
    29,710.32x = 784,213,714.64
  5. Step 5: Solve for x
    x = 784,213,714.64/29,710.32
  6. Step 6: Final answer
    x = 26,395.33

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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.