Home / 55,969.21-83,953.81-18,519.23

Finding the Fourth Proportional to 55,969.21, 83,953.81 and 18,519.23

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Solution

The fourth proportional to 55,969.21, 83,953.81 and 18,519.23 is: 27,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.21 : 83,953.81 = 18,519.23 : x
  2. Step 2: Convert to fraction form
    55,969.21/83,953.81 = 18,519.23/x
  3. Step 3: Cross multiply
    55,969.21x = 83,953.81 × 18,519.23
  4. Step 4: Simplify right side
    55,969.21x = 1,554,759,497.00
  5. Step 5: Solve for x
    x = 1,554,759,497.00/55,969.21
  6. Step 6: Final answer
    x = 27,778.84

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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.