Home / 34,330.32-51,505.20-20,302.80

Finding the Fourth Proportional to 34,330.32, 51,505.20 and 20,302.80

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Solution

The fourth proportional to 34,330.32, 51,505.20 and 20,302.80 is: 30,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,330.32 : 51,505.20 = 20,302.80 : x
  2. Step 2: Convert to fraction form
    34,330.32/51,505.20 = 20,302.80/x
  3. Step 3: Cross multiply
    34,330.32x = 51,505.20 × 20,302.80
  4. Step 4: Simplify right side
    34,330.32x = 1,045,699,774.56
  5. Step 5: Solve for x
    x = 1,045,699,774.56/34,330.32
  6. Step 6: Final answer
    x = 30,459.95

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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.