Home / 30,181.15-41,648.05-18,849.98

Finding the Fourth Proportional to 30,181.15, 41,648.05 and 18,849.98

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Solution

The fourth proportional to 30,181.15, 41,648.05 and 18,849.98 is: 26,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.15 : 41,648.05 = 18,849.98 : x
  2. Step 2: Convert to fraction form
    30,181.15/41,648.05 = 18,849.98/x
  3. Step 3: Cross multiply
    30,181.15x = 41,648.05 × 18,849.98
  4. Step 4: Simplify right side
    30,181.15x = 785,064,654.17
  5. Step 5: Solve for x
    x = 785,064,654.17/30,181.15
  6. Step 6: Final answer
    x = 26,011.76

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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.