Home / 48,631.70-72,907.05-20,573.30

Finding the Fourth Proportional to 48,631.70, 72,907.05 and 20,573.30

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Solution

The fourth proportional to 48,631.70, 72,907.05 and 20,573.30 is: 30,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.70 : 72,907.05 = 20,573.30 : x
  2. Step 2: Convert to fraction form
    48,631.70/72,907.05 = 20,573.30/x
  3. Step 3: Cross multiply
    48,631.70x = 72,907.05 × 20,573.30
  4. Step 4: Simplify right side
    48,631.70x = 1,499,938,611.77
  5. Step 5: Solve for x
    x = 1,499,938,611.77/48,631.70
  6. Step 6: Final answer
    x = 30,842.82

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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.