Home / 69,253.39-103,883.93-21,869.60

Finding the Fourth Proportional to 69,253.39, 103,883.93 and 21,869.60

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Solution

The fourth proportional to 69,253.39, 103,883.93 and 21,869.60 is: 32,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,253.39 : 103,883.93 = 21,869.60 : x
  2. Step 2: Convert to fraction form
    69,253.39/103,883.93 = 21,869.60/x
  3. Step 3: Cross multiply
    69,253.39x = 103,883.93 × 21,869.60
  4. Step 4: Simplify right side
    69,253.39x = 2,271,899,886.18
  5. Step 5: Solve for x
    x = 2,271,899,886.18/69,253.39
  6. Step 6: Final answer
    x = 32,805.62

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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.