Home / 34,154.85-51,229.39-19,317.09

Finding the Fourth Proportional to 34,154.85, 51,229.39 and 19,317.09

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Solution

The fourth proportional to 34,154.85, 51,229.39 and 19,317.09 is: 28,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,154.85 : 51,229.39 = 19,317.09 : x
  2. Step 2: Convert to fraction form
    34,154.85/51,229.39 = 19,317.09/x
  3. Step 3: Cross multiply
    34,154.85x = 51,229.39 × 19,317.09
  4. Step 4: Simplify right side
    34,154.85x = 989,602,737.28
  5. Step 5: Solve for x
    x = 989,602,737.28/34,154.85
  6. Step 6: Final answer
    x = 28,974.00

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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.