Home / 48,449.93-72,679.10-13,389.62

Finding the Fourth Proportional to 48,449.93, 72,679.10 and 13,389.62

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Solution

The fourth proportional to 48,449.93, 72,679.10 and 13,389.62 is: 20,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.93 : 72,679.10 = 13,389.62 : x
  2. Step 2: Convert to fraction form
    48,449.93/72,679.10 = 13,389.62/x
  3. Step 3: Cross multiply
    48,449.93x = 72,679.10 × 13,389.62
  4. Step 4: Simplify right side
    48,449.93x = 973,145,100.60
  5. Step 5: Solve for x
    x = 973,145,100.60/48,449.93
  6. Step 6: Final answer
    x = 20,085.59

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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.