Home / 65,716.45-98,574.71-18,329.63

Finding the Fourth Proportional to 65,716.45, 98,574.71 and 18,329.63

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Solution

The fourth proportional to 65,716.45, 98,574.71 and 18,329.63 is: 27,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,716.45 : 98,574.71 = 18,329.63 : x
  2. Step 2: Convert to fraction form
    65,716.45/98,574.71 = 18,329.63/x
  3. Step 3: Cross multiply
    65,716.45x = 98,574.71 × 18,329.63
  4. Step 4: Simplify right side
    65,716.45x = 1,806,837,377.14
  5. Step 5: Solve for x
    x = 1,806,837,377.14/65,716.45
  6. Step 6: Final answer
    x = 27,494.45

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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.