Home / 43,080.47-64,620.72-13,500.60

Finding the Fourth Proportional to 43,080.47, 64,620.72 and 13,500.60

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Solution

The fourth proportional to 43,080.47, 64,620.72 and 13,500.60 is: 20,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.47 : 64,620.72 = 13,500.60 : x
  2. Step 2: Convert to fraction form
    43,080.47/64,620.72 = 13,500.60/x
  3. Step 3: Cross multiply
    43,080.47x = 64,620.72 × 13,500.60
  4. Step 4: Simplify right side
    43,080.47x = 872,418,492.43
  5. Step 5: Solve for x
    x = 872,418,492.43/43,080.47
  6. Step 6: Final answer
    x = 20,250.91

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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.