Home / 55,059.51-82,560.06-21,778.23

Finding the Fourth Proportional to 55,059.51, 82,560.06 and 21,778.23

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Solution

The fourth proportional to 55,059.51, 82,560.06 and 21,778.23 is: 32,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.51 : 82,560.06 = 21,778.23 : x
  2. Step 2: Convert to fraction form
    55,059.51/82,560.06 = 21,778.23/x
  3. Step 3: Cross multiply
    55,059.51x = 82,560.06 × 21,778.23
  4. Step 4: Simplify right side
    55,059.51x = 1,798,011,975.49
  5. Step 5: Solve for x
    x = 1,798,011,975.49/55,059.51
  6. Step 6: Final answer
    x = 32,655.79

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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.