Home / 43,251.05-64,880.36-12,086.39

Finding the Fourth Proportional to 43,251.05, 64,880.36 and 12,086.39

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Solution

The fourth proportional to 43,251.05, 64,880.36 and 12,086.39 is: 18,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251.05 : 64,880.36 = 12,086.39 : x
  2. Step 2: Convert to fraction form
    43,251.05/64,880.36 = 12,086.39/x
  3. Step 3: Cross multiply
    43,251.05x = 64,880.36 × 12,086.39
  4. Step 4: Simplify right side
    43,251.05x = 784,168,949.47
  5. Step 5: Solve for x
    x = 784,168,949.47/43,251.05
  6. Step 6: Final answer
    x = 18,130.64

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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.