Home / 43,715.79-65,605.28-17,405.37

Finding the Fourth Proportional to 43,715.79, 65,605.28 and 17,405.37

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Solution

The fourth proportional to 43,715.79, 65,605.28 and 17,405.37 is: 26,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,715.79 : 65,605.28 = 17,405.37 : x
  2. Step 2: Convert to fraction form
    43,715.79/65,605.28 = 17,405.37/x
  3. Step 3: Cross multiply
    43,715.79x = 65,605.28 × 17,405.37
  4. Step 4: Simplify right side
    43,715.79x = 1,141,884,085.33
  5. Step 5: Solve for x
    x = 1,141,884,085.33/43,715.79
  6. Step 6: Final answer
    x = 26,120.63

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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.