Home / 40,453.64-60,680.40-10,871.48

Finding the Fourth Proportional to 40,453.64, 60,680.40 and 10,871.48

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Solution

The fourth proportional to 40,453.64, 60,680.40 and 10,871.48 is: 16,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.64 : 60,680.40 = 10,871.48 : x
  2. Step 2: Convert to fraction form
    40,453.64/60,680.40 = 10,871.48/x
  3. Step 3: Cross multiply
    40,453.64x = 60,680.40 × 10,871.48
  4. Step 4: Simplify right side
    40,453.64x = 659,685,451.59
  5. Step 5: Solve for x
    x = 659,685,451.59/40,453.64
  6. Step 6: Final answer
    x = 16,307.20

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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.