Home / 34,739.10-47,940.01-18,823.55

Finding the Fourth Proportional to 34,739.10, 47,940.01 and 18,823.55

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Solution

The fourth proportional to 34,739.10, 47,940.01 and 18,823.55 is: 25,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.10 : 47,940.01 = 18,823.55 : x
  2. Step 2: Convert to fraction form
    34,739.10/47,940.01 = 18,823.55/x
  3. Step 3: Cross multiply
    34,739.10x = 47,940.01 × 18,823.55
  4. Step 4: Simplify right side
    34,739.10x = 902,400,888.48
  5. Step 5: Solve for x
    x = 902,400,888.48/34,739.10
  6. Step 6: Final answer
    x = 25,976.52

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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.