Home / 55,273.49-82,889.84-19,725.30

Finding the Fourth Proportional to 55,273.49, 82,889.84 and 19,725.30

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Solution

The fourth proportional to 55,273.49, 82,889.84 and 19,725.30 is: 29,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.49 : 82,889.84 = 19,725.30 : x
  2. Step 2: Convert to fraction form
    55,273.49/82,889.84 = 19,725.30/x
  3. Step 3: Cross multiply
    55,273.49x = 82,889.84 × 19,725.30
  4. Step 4: Simplify right side
    55,273.49x = 1,635,026,862.33
  5. Step 5: Solve for x
    x = 1,635,026,862.33/55,273.49
  6. Step 6: Final answer
    x = 29,580.67

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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.