Home / 53,969.46-80,954.69-20,681.58

Finding the Fourth Proportional to 53,969.46, 80,954.69 and 20,681.58

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Solution

The fourth proportional to 53,969.46, 80,954.69 and 20,681.58 is: 31,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,969.46 : 80,954.69 = 20,681.58 : x
  2. Step 2: Convert to fraction form
    53,969.46/80,954.69 = 20,681.58/x
  3. Step 3: Cross multiply
    53,969.46x = 80,954.69 × 20,681.58
  4. Step 4: Simplify right side
    53,969.46x = 1,674,270,758.75
  5. Step 5: Solve for x
    x = 1,674,270,758.75/53,969.46
  6. Step 6: Final answer
    x = 31,022.56

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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.