Home / 34,302.48-51,459.84-12,128.73

Finding the Fourth Proportional to 34,302.48, 51,459.84 and 12,128.73

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Solution

The fourth proportional to 34,302.48, 51,459.84 and 12,128.73 is: 18,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.48 : 51,459.84 = 12,128.73 : x
  2. Step 2: Convert to fraction form
    34,302.48/51,459.84 = 12,128.73/x
  3. Step 3: Cross multiply
    34,302.48x = 51,459.84 × 12,128.73
  4. Step 4: Simplify right side
    34,302.48x = 624,142,505.20
  5. Step 5: Solve for x
    x = 624,142,505.20/34,302.48
  6. Step 6: Final answer
    x = 18,195.26

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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.