Home / 43,080.14-64,620.23-13,500.29

Finding the Fourth Proportional to 43,080.14, 64,620.23 and 13,500.29

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Solution

The fourth proportional to 43,080.14, 64,620.23 and 13,500.29 is: 20,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.14 : 64,620.23 = 13,500.29 : x
  2. Step 2: Convert to fraction form
    43,080.14/64,620.23 = 13,500.29/x
  3. Step 3: Cross multiply
    43,080.14x = 64,620.23 × 13,500.29
  4. Step 4: Simplify right side
    43,080.14x = 872,391,844.87
  5. Step 5: Solve for x
    x = 872,391,844.87/43,080.14
  6. Step 6: Final answer
    x = 20,250.44

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1.5x scale

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.