Home / 34,737.15-47,937.31-18,821.60

Finding the Fourth Proportional to 34,737.15, 47,937.31 and 18,821.60

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Solution

The fourth proportional to 34,737.15, 47,937.31 and 18,821.60 is: 25,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.15 : 47,937.31 = 18,821.60 : x
  2. Step 2: Convert to fraction form
    34,737.15/47,937.31 = 18,821.60/x
  3. Step 3: Cross multiply
    34,737.15x = 47,937.31 × 18,821.60
  4. Step 4: Simplify right side
    34,737.15x = 902,256,634.21
  5. Step 5: Solve for x
    x = 902,256,634.21/34,737.15
  6. Step 6: Final answer
    x = 25,973.82

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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.