Home / 36,682.78-55,008.14-12,982.45

Finding the Fourth Proportional to 36,682.78, 55,008.14 and 12,982.45

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Solution

The fourth proportional to 36,682.78, 55,008.14 and 12,982.45 is: 19,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,682.78 : 55,008.14 = 12,982.45 : x
  2. Step 2: Convert to fraction form
    36,682.78/55,008.14 = 12,982.45/x
  3. Step 3: Cross multiply
    36,682.78x = 55,008.14 × 12,982.45
  4. Step 4: Simplify right side
    36,682.78x = 714,140,184.56
  5. Step 5: Solve for x
    x = 714,140,184.56/36,682.78
  6. Step 6: Final answer
    x = 19,468.00

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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.