Home / 42,680.24-64,020.60-16,378.64

Finding the Fourth Proportional to 42,680.24, 64,020.60 and 16,378.64

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Solution

The fourth proportional to 42,680.24, 64,020.60 and 16,378.64 is: 24,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,680.24 : 64,020.60 = 16,378.64 : x
  2. Step 2: Convert to fraction form
    42,680.24/64,020.60 = 16,378.64/x
  3. Step 3: Cross multiply
    42,680.24x = 64,020.60 × 16,378.64
  4. Step 4: Simplify right side
    42,680.24x = 1,048,570,359.98
  5. Step 5: Solve for x
    x = 1,048,570,359.98/42,680.24
  6. Step 6: Final answer
    x = 24,568.05

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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.