Home / 65,907.87-98,869.09-19,164.39

Finding the Fourth Proportional to 65,907.87, 98,869.09 and 19,164.39

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Solution

The fourth proportional to 65,907.87, 98,869.09 and 19,164.39 is: 28,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907.87 : 98,869.09 = 19,164.39 : x
  2. Step 2: Convert to fraction form
    65,907.87/98,869.09 = 19,164.39/x
  3. Step 3: Cross multiply
    65,907.87x = 98,869.09 × 19,164.39
  4. Step 4: Simplify right side
    65,907.87x = 1,894,765,799.71
  5. Step 5: Solve for x
    x = 1,894,765,799.71/65,907.87
  6. Step 6: Final answer
    x = 28,748.70

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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.