Home / 43,080.10-64,620.18-13,500.27

Finding the Fourth Proportional to 43,080.10, 64,620.18 and 13,500.27

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Solution

The fourth proportional to 43,080.10, 64,620.18 and 13,500.27 is: 20,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.10 : 64,620.18 = 13,500.27 : x
  2. Step 2: Convert to fraction form
    43,080.10/64,620.18 = 13,500.27/x
  3. Step 3: Cross multiply
    43,080.10x = 64,620.18 × 13,500.27
  4. Step 4: Simplify right side
    43,080.10x = 872,389,877.45
  5. Step 5: Solve for x
    x = 872,389,877.45/43,080.10
  6. Step 6: Final answer
    x = 20,250.41

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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.