Home / 43,561.47-65,342.91-11,971.33

Finding the Fourth Proportional to 43,561.47, 65,342.91 and 11,971.33

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Solution

The fourth proportional to 43,561.47, 65,342.91 and 11,971.33 is: 17,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.47 : 65,342.91 = 11,971.33 : x
  2. Step 2: Convert to fraction form
    43,561.47/65,342.91 = 11,971.33/x
  3. Step 3: Cross multiply
    43,561.47x = 65,342.91 × 11,971.33
  4. Step 4: Simplify right side
    43,561.47x = 782,241,405.34
  5. Step 5: Solve for x
    x = 782,241,405.34/43,561.47
  6. Step 6: Final answer
    x = 17,957.19

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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.