Home / 48,619.74-72,933.84-13,559.34

Finding the Fourth Proportional to 48,619.74, 72,933.84 and 13,559.34

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Solution

The fourth proportional to 48,619.74, 72,933.84 and 13,559.34 is: 20,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.74 : 72,933.84 = 13,559.34 : x
  2. Step 2: Convert to fraction form
    48,619.74/72,933.84 = 13,559.34/x
  3. Step 3: Cross multiply
    48,619.74x = 72,933.84 × 13,559.34
  4. Step 4: Simplify right side
    48,619.74x = 988,934,734.07
  5. Step 5: Solve for x
    x = 988,934,734.07/48,619.74
  6. Step 6: Final answer
    x = 20,340.19

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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.