Home / 45,730.26-68,599.89-14,139.09

Finding the Fourth Proportional to 45,730.26, 68,599.89 and 14,139.09

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Solution

The fourth proportional to 45,730.26, 68,599.89 and 14,139.09 is: 21,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.26 : 68,599.89 = 14,139.09 : x
  2. Step 2: Convert to fraction form
    45,730.26/68,599.89 = 14,139.09/x
  3. Step 3: Cross multiply
    45,730.26x = 68,599.89 × 14,139.09
  4. Step 4: Simplify right side
    45,730.26x = 969,940,018.70
  5. Step 5: Solve for x
    x = 969,940,018.70/45,730.26
  6. Step 6: Final answer
    x = 21,210.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.