Home / 30,853.38-46,249.35-12,398.34

Finding the Fourth Proportional to 30,853.38, 46,249.35 and 12,398.34

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Solution

The fourth proportional to 30,853.38, 46,249.35 and 12,398.34 is: 18,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.38 : 46,249.35 = 12,398.34 : x
  2. Step 2: Convert to fraction form
    30,853.38/46,249.35 = 12,398.34/x
  3. Step 3: Cross multiply
    30,853.38x = 46,249.35 × 12,398.34
  4. Step 4: Simplify right side
    30,853.38x = 573,415,166.08
  5. Step 5: Solve for x
    x = 573,415,166.08/30,853.38
  6. Step 6: Final answer
    x = 18,585.17

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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.