Home / 30,382.35-41,925.63-19,051.38

Finding the Fourth Proportional to 30,382.35, 41,925.63 and 19,051.38

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Solution

The fourth proportional to 30,382.35, 41,925.63 and 19,051.38 is: 26,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.35 : 41,925.63 = 19,051.38 : x
  2. Step 2: Convert to fraction form
    30,382.35/41,925.63 = 19,051.38/x
  3. Step 3: Cross multiply
    30,382.35x = 41,925.63 × 19,051.38
  4. Step 4: Simplify right side
    30,382.35x = 798,741,108.87
  5. Step 5: Solve for x
    x = 798,741,108.87/30,382.35
  6. Step 6: Final answer
    x = 26,289.64

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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.