Home / 48,128.84-72,202.40-21,835.72

Finding the Fourth Proportional to 48,128.84, 72,202.40 and 21,835.72

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Solution

The fourth proportional to 48,128.84, 72,202.40 and 21,835.72 is: 32,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.84 : 72,202.40 = 21,835.72 : x
  2. Step 2: Convert to fraction form
    48,128.84/72,202.40 = 21,835.72/x
  3. Step 3: Cross multiply
    48,128.84x = 72,202.40 × 21,835.72
  4. Step 4: Simplify right side
    48,128.84x = 1,576,591,389.73
  5. Step 5: Solve for x
    x = 1,576,591,389.73/48,128.84
  6. Step 6: Final answer
    x = 32,757.73

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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.