Home / 38,669.70-58,004.55-21,173.70

Finding the Fourth Proportional to 38,669.70, 58,004.55 and 21,173.70

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Solution

The fourth proportional to 38,669.70, 58,004.55 and 21,173.70 is: 31,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.70 : 58,004.55 = 21,173.70 : x
  2. Step 2: Convert to fraction form
    38,669.70/58,004.55 = 21,173.70/x
  3. Step 3: Cross multiply
    38,669.70x = 58,004.55 × 21,173.70
  4. Step 4: Simplify right side
    38,669.70x = 1,228,170,940.34
  5. Step 5: Solve for x
    x = 1,228,170,940.34/38,669.70
  6. Step 6: Final answer
    x = 31,760.55

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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.