Home / 43,619.29-65,441.69-14,036.47

Finding the Fourth Proportional to 43,619.29, 65,441.69 and 14,036.47

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Solution

The fourth proportional to 43,619.29, 65,441.69 and 14,036.47 is: 21,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619.29 : 65,441.69 = 14,036.47 : x
  2. Step 2: Convert to fraction form
    43,619.29/65,441.69 = 14,036.47/x
  3. Step 3: Cross multiply
    43,619.29x = 65,441.69 × 14,036.47
  4. Step 4: Simplify right side
    43,619.29x = 918,570,318.43
  5. Step 5: Solve for x
    x = 918,570,318.43/43,619.29
  6. Step 6: Final answer
    x = 21,058.81

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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.