Home / 31,719.06-47,580.12-17,668.53

Finding the Fourth Proportional to 31,719.06, 47,580.12 and 17,668.53

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Solution

The fourth proportional to 31,719.06, 47,580.12 and 17,668.53 is: 26,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.06 : 47,580.12 = 17,668.53 : x
  2. Step 2: Convert to fraction form
    31,719.06/47,580.12 = 17,668.53/x
  3. Step 3: Cross multiply
    31,719.06x = 47,580.12 × 17,668.53
  4. Step 4: Simplify right side
    31,719.06x = 840,670,777.62
  5. Step 5: Solve for x
    x = 840,670,777.62/31,719.06
  6. Step 6: Final answer
    x = 26,503.65

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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.