Home / 43,629.64-65,444.76-18,648.63

Finding the Fourth Proportional to 43,629.64, 65,444.76 and 18,648.63

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Solution

The fourth proportional to 43,629.64, 65,444.76 and 18,648.63 is: 27,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,629.64 : 65,444.76 = 18,648.63 : x
  2. Step 2: Convert to fraction form
    43,629.64/65,444.76 = 18,648.63/x
  3. Step 3: Cross multiply
    43,629.64x = 65,444.76 × 18,648.63
  4. Step 4: Simplify right side
    43,629.64x = 1,220,455,114.68
  5. Step 5: Solve for x
    x = 1,220,455,114.68/43,629.64
  6. Step 6: Final answer
    x = 27,973.07

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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.