Home / 30,392.85-41,961.66-19,077.87

Finding the Fourth Proportional to 30,392.85, 41,961.66 and 19,077.87

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Solution

The fourth proportional to 30,392.85, 41,961.66 and 19,077.87 is: 26,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.85 : 41,961.66 = 19,077.87 : x
  2. Step 2: Convert to fraction form
    30,392.85/41,961.66 = 19,077.87/x
  3. Step 3: Cross multiply
    30,392.85x = 41,961.66 × 19,077.87
  4. Step 4: Simplify right side
    30,392.85x = 800,539,094.46
  5. Step 5: Solve for x
    x = 800,539,094.46/30,392.85
  6. Step 6: Final answer
    x = 26,339.72

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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.