Home / 34,138.56-51,214.80-19,354.08

Finding the Fourth Proportional to 34,138.56, 51,214.80 and 19,354.08

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Solution

The fourth proportional to 34,138.56, 51,214.80 and 19,354.08 is: 29,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.56 : 51,214.80 = 19,354.08 : x
  2. Step 2: Convert to fraction form
    34,138.56/51,214.80 = 19,354.08/x
  3. Step 3: Cross multiply
    34,138.56x = 51,214.80 × 19,354.08
  4. Step 4: Simplify right side
    34,138.56x = 991,215,336.38
  5. Step 5: Solve for x
    x = 991,215,336.38/34,138.56
  6. Step 6: Final answer
    x = 29,035.07

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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.