Home / 43,080.12-64,620.21-13,500.27

Finding the Fourth Proportional to 43,080.12, 64,620.21 and 13,500.27

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Solution

The fourth proportional to 43,080.12, 64,620.21 and 13,500.27 is: 20,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.12 : 64,620.21 = 13,500.27 : x
  2. Step 2: Convert to fraction form
    43,080.12/64,620.21 = 13,500.27/x
  3. Step 3: Cross multiply
    43,080.12x = 64,620.21 × 13,500.27
  4. Step 4: Simplify right side
    43,080.12x = 872,390,352.99
  5. Step 5: Solve for x
    x = 872,390,352.99/43,080.12
  6. Step 6: Final answer
    x = 20,250.42

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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.