Home / 40,628.32-60,950.11-18,443.26

Finding the Fourth Proportional to 40,628.32, 60,950.11 and 18,443.26

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Solution

The fourth proportional to 40,628.32, 60,950.11 and 18,443.26 is: 27,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,628.32 : 60,950.11 = 18,443.26 : x
  2. Step 2: Convert to fraction form
    40,628.32/60,950.11 = 18,443.26/x
  3. Step 3: Cross multiply
    40,628.32x = 60,950.11 × 18,443.26
  4. Step 4: Simplify right side
    40,628.32x = 1,124,118,421.01
  5. Step 5: Solve for x
    x = 1,124,118,421.01/40,628.32
  6. Step 6: Final answer
    x = 27,668.35

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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.