Home / 43,457.10-65,144.04-13,858.62

Finding the Fourth Proportional to 43,457.10, 65,144.04 and 13,858.62

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Solution

The fourth proportional to 43,457.10, 65,144.04 and 13,858.62 is: 20,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457.10 : 65,144.04 = 13,858.62 : x
  2. Step 2: Convert to fraction form
    43,457.10/65,144.04 = 13,858.62/x
  3. Step 3: Cross multiply
    43,457.10x = 65,144.04 × 13,858.62
  4. Step 4: Simplify right side
    43,457.10x = 902,806,495.62
  5. Step 5: Solve for x
    x = 902,806,495.62/43,457.10
  6. Step 6: Final answer
    x = 20,774.66

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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.