Home / 34,741-47,946.23-21,309.18

Finding the Fourth Proportional to 34,741, 47,946.23 and 21,309.18

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Solution

The fourth proportional to 34,741, 47,946.23 and 21,309.18 is: 29,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,741 : 47,946.23 = 21,309.18 : x
  2. Step 2: Convert to fraction form
    34,741/47,946.23 = 21,309.18/x
  3. Step 3: Cross multiply
    34,741x = 47,946.23 × 21,309.18
  4. Step 4: Simplify right side
    34,741x = 1,021,694,845.39
  5. Step 5: Solve for x
    x = 1,021,694,845.39/34,741
  6. Step 6: Final answer
    x = 29,408.91

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1.5x scale

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.