Home / 65,981.49-98,971.77-26,538.03

Finding the Fourth Proportional to 65,981.49, 98,971.77 and 26,538.03

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Solution

The fourth proportional to 65,981.49, 98,971.77 and 26,538.03 is: 39,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,981.49 : 98,971.77 = 26,538.03 : x
  2. Step 2: Convert to fraction form
    65,981.49/98,971.77 = 26,538.03/x
  3. Step 3: Cross multiply
    65,981.49x = 98,971.77 × 26,538.03
  4. Step 4: Simplify right side
    65,981.49x = 2,626,515,900.93
  5. Step 5: Solve for x
    x = 2,626,515,900.93/65,981.49
  6. Step 6: Final answer
    x = 39,806.86

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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.