Home / 47,021.94-70,551.27-20,708.19

Finding the Fourth Proportional to 47,021.94, 70,551.27 and 20,708.19

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Solution

The fourth proportional to 47,021.94, 70,551.27 and 20,708.19 is: 31,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,021.94 : 70,551.27 = 20,708.19 : x
  2. Step 2: Convert to fraction form
    47,021.94/70,551.27 = 20,708.19/x
  3. Step 3: Cross multiply
    47,021.94x = 70,551.27 × 20,708.19
  4. Step 4: Simplify right side
    47,021.94x = 1,460,989,103.90
  5. Step 5: Solve for x
    x = 1,460,989,103.90/47,021.94
  6. Step 6: Final answer
    x = 31,070.37

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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.