Home / 48,619.75-72,941.93-13,559.41

Finding the Fourth Proportional to 48,619.75, 72,941.93 and 13,559.41

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Solution

The fourth proportional to 48,619.75, 72,941.93 and 13,559.41 is: 20,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.75 : 72,941.93 = 13,559.41 : x
  2. Step 2: Convert to fraction form
    48,619.75/72,941.93 = 13,559.41/x
  3. Step 3: Cross multiply
    48,619.75x = 72,941.93 × 13,559.41
  4. Step 4: Simplify right side
    48,619.75x = 989,049,535.06
  5. Step 5: Solve for x
    x = 989,049,535.06/48,619.75
  6. Step 6: Final answer
    x = 20,342.55

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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.