Home / 48,450.98-72,668.25-13,390.74

Finding the Fourth Proportional to 48,450.98, 72,668.25 and 13,390.74

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Solution

The fourth proportional to 48,450.98, 72,668.25 and 13,390.74 is: 20,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,450.98 : 72,668.25 = 13,390.74 : x
  2. Step 2: Convert to fraction form
    48,450.98/72,668.25 = 13,390.74/x
  3. Step 3: Cross multiply
    48,450.98x = 72,668.25 × 13,390.74
  4. Step 4: Simplify right side
    48,450.98x = 973,081,642.01
  5. Step 5: Solve for x
    x = 973,081,642.01/48,450.98
  6. Step 6: Final answer
    x = 20,083.84

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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.