Home / 30,725.80-46,029.65-18,844.92

Finding the Fourth Proportional to 30,725.80, 46,029.65 and 18,844.92

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Solution

The fourth proportional to 30,725.80, 46,029.65 and 18,844.92 is: 28,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.80 : 46,029.65 = 18,844.92 : x
  2. Step 2: Convert to fraction form
    30,725.80/46,029.65 = 18,844.92/x
  3. Step 3: Cross multiply
    30,725.80x = 46,029.65 × 18,844.92
  4. Step 4: Simplify right side
    30,725.80x = 867,424,977.65
  5. Step 5: Solve for x
    x = 867,424,977.65/30,725.80
  6. Step 6: Final answer
    x = 28,231.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.