Home / 34,680.31-51,998.59-19,108.87

Finding the Fourth Proportional to 34,680.31, 51,998.59 and 19,108.87

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Solution

The fourth proportional to 34,680.31, 51,998.59 and 19,108.87 is: 28,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.31 : 51,998.59 = 19,108.87 : x
  2. Step 2: Convert to fraction form
    34,680.31/51,998.59 = 19,108.87/x
  3. Step 3: Cross multiply
    34,680.31x = 51,998.59 × 19,108.87
  4. Step 4: Simplify right side
    34,680.31x = 993,634,296.49
  5. Step 5: Solve for x
    x = 993,634,296.49/34,680.31
  6. Step 6: Final answer
    x = 28,651.25

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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.