Home / 38,962.20-58,443.30-12,669.60

Finding the Fourth Proportional to 38,962.20, 58,443.30 and 12,669.60

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Solution

The fourth proportional to 38,962.20, 58,443.30 and 12,669.60 is: 19,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962.20 : 58,443.30 = 12,669.60 : x
  2. Step 2: Convert to fraction form
    38,962.20/58,443.30 = 12,669.60/x
  3. Step 3: Cross multiply
    38,962.20x = 58,443.30 × 12,669.60
  4. Step 4: Simplify right side
    38,962.20x = 740,453,233.68
  5. Step 5: Solve for x
    x = 740,453,233.68/38,962.20
  6. Step 6: Final answer
    x = 19,004.40

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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.