Home / 45,164.17-67,745.65-13,999.42

Finding the Fourth Proportional to 45,164.17, 67,745.65 and 13,999.42

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Solution

The fourth proportional to 45,164.17, 67,745.65 and 13,999.42 is: 20,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,164.17 : 67,745.65 = 13,999.42 : x
  2. Step 2: Convert to fraction form
    45,164.17/67,745.65 = 13,999.42/x
  3. Step 3: Cross multiply
    45,164.17x = 67,745.65 × 13,999.42
  4. Step 4: Simplify right side
    45,164.17x = 948,399,807.52
  5. Step 5: Solve for x
    x = 948,399,807.52/45,164.17
  6. Step 6: Final answer
    x = 20,998.94

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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.