Home / 40,689.93-61,048.26-25,679.67

Finding the Fourth Proportional to 40,689.93, 61,048.26 and 25,679.67

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Solution

The fourth proportional to 40,689.93, 61,048.26 and 25,679.67 is: 38,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.93 : 61,048.26 = 25,679.67 : x
  2. Step 2: Convert to fraction form
    40,689.93/61,048.26 = 25,679.67/x
  3. Step 3: Cross multiply
    40,689.93x = 61,048.26 × 25,679.67
  4. Step 4: Simplify right side
    40,689.93x = 1,567,699,170.87
  5. Step 5: Solve for x
    x = 1,567,699,170.87/40,689.93
  6. Step 6: Final answer
    x = 38,527.94

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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.