Home / 48,619.38-72,941.36-13,559.04

Finding the Fourth Proportional to 48,619.38, 72,941.36 and 13,559.04

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Solution

The fourth proportional to 48,619.38, 72,941.36 and 13,559.04 is: 20,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.38 : 72,941.36 = 13,559.04 : x
  2. Step 2: Convert to fraction form
    48,619.38/72,941.36 = 13,559.04/x
  3. Step 3: Cross multiply
    48,619.38x = 72,941.36 × 13,559.04
  4. Step 4: Simplify right side
    48,619.38x = 989,014,817.89
  5. Step 5: Solve for x
    x = 989,014,817.89/48,619.38
  6. Step 6: Final answer
    x = 20,341.99

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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.