Home / 43,640.06-65,465.21-15,564.11

Finding the Fourth Proportional to 43,640.06, 65,465.21 and 15,564.11

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Solution

The fourth proportional to 43,640.06, 65,465.21 and 15,564.11 is: 23,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640.06 : 65,465.21 = 15,564.11 : x
  2. Step 2: Convert to fraction form
    43,640.06/65,465.21 = 15,564.11/x
  3. Step 3: Cross multiply
    43,640.06x = 65,465.21 × 15,564.11
  4. Step 4: Simplify right side
    43,640.06x = 1,018,907,324.47
  5. Step 5: Solve for x
    x = 1,018,907,324.47/43,640.06
  6. Step 6: Final answer
    x = 23,347.98

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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.