Home / 30,729.30-46,034.90-18,848.42

Finding the Fourth Proportional to 30,729.30, 46,034.90 and 18,848.42

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Solution

The fourth proportional to 30,729.30, 46,034.90 and 18,848.42 is: 28,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.30 : 46,034.90 = 18,848.42 : x
  2. Step 2: Convert to fraction form
    30,729.30/46,034.90 = 18,848.42/x
  3. Step 3: Cross multiply
    30,729.30x = 46,034.90 × 18,848.42
  4. Step 4: Simplify right side
    30,729.30x = 867,685,129.86
  5. Step 5: Solve for x
    x = 867,685,129.86/30,729.30
  6. Step 6: Final answer
    x = 28,236.41

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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.