Home / 43,072.32-64,591.56-18,124.32

Finding the Fourth Proportional to 43,072.32, 64,591.56 and 18,124.32

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Solution

The fourth proportional to 43,072.32, 64,591.56 and 18,124.32 is: 27,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072.32 : 64,591.56 = 18,124.32 : x
  2. Step 2: Convert to fraction form
    43,072.32/64,591.56 = 18,124.32/x
  3. Step 3: Cross multiply
    43,072.32x = 64,591.56 × 18,124.32
  4. Step 4: Simplify right side
    43,072.32x = 1,170,678,102.74
  5. Step 5: Solve for x
    x = 1,170,678,102.74/43,072.32
  6. Step 6: Final answer
    x = 27,179.36

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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.