Home / 51,047.06-76,492.62-21,448.71

Finding the Fourth Proportional to 51,047.06, 76,492.62 and 21,448.71

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Solution

The fourth proportional to 51,047.06, 76,492.62 and 21,448.71 is: 32,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.06 : 76,492.62 = 21,448.71 : x
  2. Step 2: Convert to fraction form
    51,047.06/76,492.62 = 21,448.71/x
  3. Step 3: Cross multiply
    51,047.06x = 76,492.62 × 21,448.71
  4. Step 4: Simplify right side
    51,047.06x = 1,640,668,023.52
  5. Step 5: Solve for x
    x = 1,640,668,023.52/51,047.06
  6. Step 6: Final answer
    x = 32,140.31

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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.