Home / 53,955.80-80,941.09-18,407.57

Finding the Fourth Proportional to 53,955.80, 80,941.09 and 18,407.57

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Solution

The fourth proportional to 53,955.80, 80,941.09 and 18,407.57 is: 27,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.80 : 80,941.09 = 18,407.57 : x
  2. Step 2: Convert to fraction form
    53,955.80/80,941.09 = 18,407.57/x
  3. Step 3: Cross multiply
    53,955.80x = 80,941.09 × 18,407.57
  4. Step 4: Simplify right side
    53,955.80x = 1,489,928,936.39
  5. Step 5: Solve for x
    x = 1,489,928,936.39/53,955.80
  6. Step 6: Final answer
    x = 27,613.88

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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.