Home / 30,159.64-41,619.98-16,731.01

Finding the Fourth Proportional to 30,159.64, 41,619.98 and 16,731.01

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Solution

The fourth proportional to 30,159.64, 41,619.98 and 16,731.01 is: 23,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.64 : 41,619.98 = 16,731.01 : x
  2. Step 2: Convert to fraction form
    30,159.64/41,619.98 = 16,731.01/x
  3. Step 3: Cross multiply
    30,159.64x = 41,619.98 × 16,731.01
  4. Step 4: Simplify right side
    30,159.64x = 696,344,067.21
  5. Step 5: Solve for x
    x = 696,344,067.21/30,159.64
  6. Step 6: Final answer
    x = 23,088.61

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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.