Home / 43,495.48-65,243.82-12,330.70

Finding the Fourth Proportional to 43,495.48, 65,243.82 and 12,330.70

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Solution

The fourth proportional to 43,495.48, 65,243.82 and 12,330.70 is: 18,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,495.48 : 65,243.82 = 12,330.70 : x
  2. Step 2: Convert to fraction form
    43,495.48/65,243.82 = 12,330.70/x
  3. Step 3: Cross multiply
    43,495.48x = 65,243.82 × 12,330.70
  4. Step 4: Simplify right side
    43,495.48x = 804,501,971.27
  5. Step 5: Solve for x
    x = 804,501,971.27/43,495.48
  6. Step 6: Final answer
    x = 18,496.22

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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.