Home / 43,405.03-65,109.44-21,237.07

Finding the Fourth Proportional to 43,405.03, 65,109.44 and 21,237.07

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Solution

The fourth proportional to 43,405.03, 65,109.44 and 21,237.07 is: 31,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.03 : 65,109.44 = 21,237.07 : x
  2. Step 2: Convert to fraction form
    43,405.03/65,109.44 = 21,237.07/x
  3. Step 3: Cross multiply
    43,405.03x = 65,109.44 × 21,237.07
  4. Step 4: Simplify right side
    43,405.03x = 1,382,733,628.76
  5. Step 5: Solve for x
    x = 1,382,733,628.76/43,405.03
  6. Step 6: Final answer
    x = 31,856.53

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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.