Home / 38,664.63-58,005.14-12,371.42

Finding the Fourth Proportional to 38,664.63, 58,005.14 and 12,371.42

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Solution

The fourth proportional to 38,664.63, 58,005.14 and 12,371.42 is: 18,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.63 : 58,005.14 = 12,371.42 : x
  2. Step 2: Convert to fraction form
    38,664.63/58,005.14 = 12,371.42/x
  3. Step 3: Cross multiply
    38,664.63x = 58,005.14 × 12,371.42
  4. Step 4: Simplify right side
    38,664.63x = 717,605,597.22
  5. Step 5: Solve for x
    x = 717,605,597.22/38,664.63
  6. Step 6: Final answer
    x = 18,559.74

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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.