Home / 45,415.38-68,134.01-14,250.63

Finding the Fourth Proportional to 45,415.38, 68,134.01 and 14,250.63

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Solution

The fourth proportional to 45,415.38, 68,134.01 and 14,250.63 is: 21,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.38 : 68,134.01 = 14,250.63 : x
  2. Step 2: Convert to fraction form
    45,415.38/68,134.01 = 14,250.63/x
  3. Step 3: Cross multiply
    45,415.38x = 68,134.01 × 14,250.63
  4. Step 4: Simplify right side
    45,415.38x = 970,952,155.00
  5. Step 5: Solve for x
    x = 970,952,155.00/45,415.38
  6. Step 6: Final answer
    x = 21,379.37

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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.