Home / 47,368.36-71,074.70-20,710.90

Finding the Fourth Proportional to 47,368.36, 71,074.70 and 20,710.90

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Solution

The fourth proportional to 47,368.36, 71,074.70 and 20,710.90 is: 31,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.36 : 71,074.70 = 20,710.90 : x
  2. Step 2: Convert to fraction form
    47,368.36/71,074.70 = 20,710.90/x
  3. Step 3: Cross multiply
    47,368.36x = 71,074.70 × 20,710.90
  4. Step 4: Simplify right side
    47,368.36x = 1,472,021,004.23
  5. Step 5: Solve for x
    x = 1,472,021,004.23/47,368.36
  6. Step 6: Final answer
    x = 31,076.04

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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.