Home / 45,973.86-68,942.79-17,890.20

Finding the Fourth Proportional to 45,973.86, 68,942.79 and 17,890.20

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Solution

The fourth proportional to 45,973.86, 68,942.79 and 17,890.20 is: 26,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.86 : 68,942.79 = 17,890.20 : x
  2. Step 2: Convert to fraction form
    45,973.86/68,942.79 = 17,890.20/x
  3. Step 3: Cross multiply
    45,973.86x = 68,942.79 × 17,890.20
  4. Step 4: Simplify right side
    45,973.86x = 1,233,400,301.66
  5. Step 5: Solve for x
    x = 1,233,400,301.66/45,973.86
  6. Step 6: Final answer
    x = 26,828.30

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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.