Home / 49,661.64-74,495.70-18,486.36

Finding the Fourth Proportional to 49,661.64, 74,495.70 and 18,486.36

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Solution

The fourth proportional to 49,661.64, 74,495.70 and 18,486.36 is: 27,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661.64 : 74,495.70 = 18,486.36 : x
  2. Step 2: Convert to fraction form
    49,661.64/74,495.70 = 18,486.36/x
  3. Step 3: Cross multiply
    49,661.64x = 74,495.70 × 18,486.36
  4. Step 4: Simplify right side
    49,661.64x = 1,377,154,328.65
  5. Step 5: Solve for x
    x = 1,377,154,328.65/49,661.64
  6. Step 6: Final answer
    x = 27,730.75

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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.