Home / 34,739.32-47,940.18-18,823.72

Finding the Fourth Proportional to 34,739.32, 47,940.18 and 18,823.72

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Solution

The fourth proportional to 34,739.32, 47,940.18 and 18,823.72 is: 25,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.32 : 47,940.18 = 18,823.72 : x
  2. Step 2: Convert to fraction form
    34,739.32/47,940.18 = 18,823.72/x
  3. Step 3: Cross multiply
    34,739.32x = 47,940.18 × 18,823.72
  4. Step 4: Simplify right side
    34,739.32x = 902,412,525.07
  5. Step 5: Solve for x
    x = 902,412,525.07/34,739.32
  6. Step 6: Final answer
    x = 25,976.69

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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.