Home / 48,556.98-72,830.23-13,021.88

Finding the Fourth Proportional to 48,556.98, 72,830.23 and 13,021.88

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Solution

The fourth proportional to 48,556.98, 72,830.23 and 13,021.88 is: 19,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,556.98 : 72,830.23 = 13,021.88 : x
  2. Step 2: Convert to fraction form
    48,556.98/72,830.23 = 13,021.88/x
  3. Step 3: Cross multiply
    48,556.98x = 72,830.23 × 13,021.88
  4. Step 4: Simplify right side
    48,556.98x = 948,386,285.24
  5. Step 5: Solve for x
    x = 948,386,285.24/48,556.98
  6. Step 6: Final answer
    x = 19,531.41

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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.