Home / 65,785.50-98,678.25-16,537.50

Finding the Fourth Proportional to 65,785.50, 98,678.25 and 16,537.50

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Solution

The fourth proportional to 65,785.50, 98,678.25 and 16,537.50 is: 24,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,785.50 : 98,678.25 = 16,537.50 : x
  2. Step 2: Convert to fraction form
    65,785.50/98,678.25 = 16,537.50/x
  3. Step 3: Cross multiply
    65,785.50x = 98,678.25 × 16,537.50
  4. Step 4: Simplify right side
    65,785.50x = 1,631,891,559.38
  5. Step 5: Solve for x
    x = 1,631,891,559.38/65,785.50
  6. Step 6: Final answer
    x = 24,806.25

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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.