Home / 37,471.14-51,712.47-21,555.21

Finding the Fourth Proportional to 37,471.14, 51,712.47 and 21,555.21

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Solution

The fourth proportional to 37,471.14, 51,712.47 and 21,555.21 is: 29,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,471.14 : 51,712.47 = 21,555.21 : x
  2. Step 2: Convert to fraction form
    37,471.14/51,712.47 = 21,555.21/x
  3. Step 3: Cross multiply
    37,471.14x = 51,712.47 × 21,555.21
  4. Step 4: Simplify right side
    37,471.14x = 1,114,673,150.47
  5. Step 5: Solve for x
    x = 1,114,673,150.47/37,471.14
  6. Step 6: Final answer
    x = 29,747.51

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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.