Home / 30,851.08-46,278.62-12,383.08

Finding the Fourth Proportional to 30,851.08, 46,278.62 and 12,383.08

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Solution

The fourth proportional to 30,851.08, 46,278.62 and 12,383.08 is: 18,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.08 : 46,278.62 = 12,383.08 : x
  2. Step 2: Convert to fraction form
    30,851.08/46,278.62 = 12,383.08/x
  3. Step 3: Cross multiply
    30,851.08x = 46,278.62 × 12,383.08
  4. Step 4: Simplify right side
    30,851.08x = 573,071,853.75
  5. Step 5: Solve for x
    x = 573,071,853.75/30,851.08
  6. Step 6: Final answer
    x = 18,575.42

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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.