Home / 30,177.28-41,644.02-16,747.75

Finding the Fourth Proportional to 30,177.28, 41,644.02 and 16,747.75

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Solution

The fourth proportional to 30,177.28, 41,644.02 and 16,747.75 is: 23,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.28 : 41,644.02 = 16,747.75 : x
  2. Step 2: Convert to fraction form
    30,177.28/41,644.02 = 16,747.75/x
  3. Step 3: Cross multiply
    30,177.28x = 41,644.02 × 16,747.75
  4. Step 4: Simplify right side
    30,177.28x = 697,443,635.96
  5. Step 5: Solve for x
    x = 697,443,635.96/30,177.28
  6. Step 6: Final answer
    x = 23,111.55

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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.