Home / 69,036.51-103,388.67-39,364.38

Finding the Fourth Proportional to 69,036.51, 103,388.67 and 39,364.38

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Solution

The fourth proportional to 69,036.51, 103,388.67 and 39,364.38 is: 58,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036.51 : 103,388.67 = 39,364.38 : x
  2. Step 2: Convert to fraction form
    69,036.51/103,388.67 = 39,364.38/x
  3. Step 3: Cross multiply
    69,036.51x = 103,388.67 × 39,364.38
  4. Step 4: Simplify right side
    69,036.51x = 4,069,830,893.57
  5. Step 5: Solve for x
    x = 4,069,830,893.57/69,036.51
  6. Step 6: Final answer
    x = 58,951.86

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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.