Home / 43,486.16-65,225.60-13,896.05

Finding the Fourth Proportional to 43,486.16, 65,225.60 and 13,896.05

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Solution

The fourth proportional to 43,486.16, 65,225.60 and 13,896.05 is: 20,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.16 : 65,225.60 = 13,896.05 : x
  2. Step 2: Convert to fraction form
    43,486.16/65,225.60 = 13,896.05/x
  3. Step 3: Cross multiply
    43,486.16x = 65,225.60 × 13,896.05
  4. Step 4: Simplify right side
    43,486.16x = 906,378,292.46
  5. Step 5: Solve for x
    x = 906,378,292.46/43,486.16
  6. Step 6: Final answer
    x = 20,842.91

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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.