Home / 43,079.89-64,619.87-13,500.03

Finding the Fourth Proportional to 43,079.89, 64,619.87 and 13,500.03

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Solution

The fourth proportional to 43,079.89, 64,619.87 and 13,500.03 is: 20,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.89 : 64,619.87 = 13,500.03 : x
  2. Step 2: Convert to fraction form
    43,079.89/64,619.87 = 13,500.03/x
  3. Step 3: Cross multiply
    43,079.89x = 64,619.87 × 13,500.03
  4. Step 4: Simplify right side
    43,079.89x = 872,370,116.10
  5. Step 5: Solve for x
    x = 872,370,116.10/43,079.89
  6. Step 6: Final answer
    x = 20,250.06

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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.