Home / 34,737.45-47,937.36-18,821.85

Finding the Fourth Proportional to 34,737.45, 47,937.36 and 18,821.85

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Solution

The fourth proportional to 34,737.45, 47,937.36 and 18,821.85 is: 25,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,737.45 : 47,937.36 = 18,821.85 : x
  2. Step 2: Convert to fraction form
    34,737.45/47,937.36 = 18,821.85/x
  3. Step 3: Cross multiply
    34,737.45x = 47,937.36 × 18,821.85
  4. Step 4: Simplify right side
    34,737.45x = 902,269,799.32
  5. Step 5: Solve for x
    x = 902,269,799.32/34,737.45
  6. Step 6: Final answer
    x = 25,973.98

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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.