Home / 49,386.51-74,121.23-46,272.54

Finding the Fourth Proportional to 49,386.51, 74,121.23 and 46,272.54

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Solution

The fourth proportional to 49,386.51, 74,121.23 and 46,272.54 is: 69,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,386.51 : 74,121.23 = 46,272.54 : x
  2. Step 2: Convert to fraction form
    49,386.51/74,121.23 = 46,272.54/x
  3. Step 3: Cross multiply
    49,386.51x = 74,121.23 × 46,272.54
  4. Step 4: Simplify right side
    49,386.51x = 3,429,777,348.66
  5. Step 5: Solve for x
    x = 3,429,777,348.66/49,386.51
  6. Step 6: Final answer
    x = 69,447.66

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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.