Home / 38,879.52-58,312.80-12,580.44

Finding the Fourth Proportional to 38,879.52, 58,312.80 and 12,580.44

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Solution

The fourth proportional to 38,879.52, 58,312.80 and 12,580.44 is: 18,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.52 : 58,312.80 = 12,580.44 : x
  2. Step 2: Convert to fraction form
    38,879.52/58,312.80 = 12,580.44/x
  3. Step 3: Cross multiply
    38,879.52x = 58,312.80 × 12,580.44
  4. Step 4: Simplify right side
    38,879.52x = 733,600,681.63
  5. Step 5: Solve for x
    x = 733,600,681.63/38,879.52
  6. Step 6: Final answer
    x = 18,868.56

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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.