Home / 38,665.63-58,006.64-12,372.42

Finding the Fourth Proportional to 38,665.63, 58,006.64 and 12,372.42

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Solution

The fourth proportional to 38,665.63, 58,006.64 and 12,372.42 is: 18,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.63 : 58,006.64 = 12,372.42 : x
  2. Step 2: Convert to fraction form
    38,665.63/58,006.64 = 12,372.42/x
  3. Step 3: Cross multiply
    38,665.63x = 58,006.64 × 12,372.42
  4. Step 4: Simplify right side
    38,665.63x = 717,682,512.87
  5. Step 5: Solve for x
    x = 717,682,512.87/38,665.63
  6. Step 6: Final answer
    x = 18,561.25

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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.