Home / 37,828.49-52,187.82-21,686.81

Finding the Fourth Proportional to 37,828.49, 52,187.82 and 21,686.81

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Solution

The fourth proportional to 37,828.49, 52,187.82 and 21,686.81 is: 29,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,828.49 : 52,187.82 = 21,686.81 : x
  2. Step 2: Convert to fraction form
    37,828.49/52,187.82 = 21,686.81/x
  3. Step 3: Cross multiply
    37,828.49x = 52,187.82 × 21,686.81
  4. Step 4: Simplify right side
    37,828.49x = 1,131,787,336.65
  5. Step 5: Solve for x
    x = 1,131,787,336.65/37,828.49
  6. Step 6: Final answer
    x = 29,918.91

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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.