Home / 30,576.48-42,177.60-19,227.96

Finding the Fourth Proportional to 30,576.48, 42,177.60 and 19,227.96

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Solution

The fourth proportional to 30,576.48, 42,177.60 and 19,227.96 is: 26,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.48 : 42,177.60 = 19,227.96 : x
  2. Step 2: Convert to fraction form
    30,576.48/42,177.60 = 19,227.96/x
  3. Step 3: Cross multiply
    30,576.48x = 42,177.60 × 19,227.96
  4. Step 4: Simplify right side
    30,576.48x = 810,989,205.70
  5. Step 5: Solve for x
    x = 810,989,205.70/30,576.48
  6. Step 6: Final answer
    x = 26,523.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.