Home / 45,457.22-62,698.65-30,342.26

Finding the Fourth Proportional to 45,457.22, 62,698.65 and 30,342.26

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Solution

The fourth proportional to 45,457.22, 62,698.65 and 30,342.26 is: 41,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.22 : 62,698.65 = 30,342.26 : x
  2. Step 2: Convert to fraction form
    45,457.22/62,698.65 = 30,342.26/x
  3. Step 3: Cross multiply
    45,457.22x = 62,698.65 × 30,342.26
  4. Step 4: Simplify right side
    45,457.22x = 1,902,418,739.95
  5. Step 5: Solve for x
    x = 1,902,418,739.95/45,457.22
  6. Step 6: Final answer
    x = 41,850.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.