Home / 45,456.89-68,213.73-17,379.32

Finding the Fourth Proportional to 45,456.89, 68,213.73 and 17,379.32

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Solution

The fourth proportional to 45,456.89, 68,213.73 and 17,379.32 is: 26,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.89 : 68,213.73 = 17,379.32 : x
  2. Step 2: Convert to fraction form
    45,456.89/68,213.73 = 17,379.32/x
  3. Step 3: Cross multiply
    45,456.89x = 68,213.73 × 17,379.32
  4. Step 4: Simplify right side
    45,456.89x = 1,185,508,242.06
  5. Step 5: Solve for x
    x = 1,185,508,242.06/45,456.89
  6. Step 6: Final answer
    x = 26,079.84

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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.