Home / 32,751.45-45,197.69-18,603.99

Finding the Fourth Proportional to 32,751.45, 45,197.69 and 18,603.99

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Solution

The fourth proportional to 32,751.45, 45,197.69 and 18,603.99 is: 25,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.45 : 45,197.69 = 18,603.99 : x
  2. Step 2: Convert to fraction form
    32,751.45/45,197.69 = 18,603.99/x
  3. Step 3: Cross multiply
    32,751.45x = 45,197.69 × 18,603.99
  4. Step 4: Simplify right side
    32,751.45x = 840,857,279.76
  5. Step 5: Solve for x
    x = 840,857,279.76/32,751.45
  6. Step 6: Final answer
    x = 25,673.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.