Home / 37,678.23-51,995.40-21,545.37

Finding the Fourth Proportional to 37,678.23, 51,995.40 and 21,545.37

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Solution

The fourth proportional to 37,678.23, 51,995.40 and 21,545.37 is: 29,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,678.23 : 51,995.40 = 21,545.37 : x
  2. Step 2: Convert to fraction form
    37,678.23/51,995.40 = 21,545.37/x
  3. Step 3: Cross multiply
    37,678.23x = 51,995.40 × 21,545.37
  4. Step 4: Simplify right side
    37,678.23x = 1,120,260,131.30
  5. Step 5: Solve for x
    x = 1,120,260,131.30/37,678.23
  6. Step 6: Final answer
    x = 29,732.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.