Home / 45,011.84-67,576.07-28,405.22

Finding the Fourth Proportional to 45,011.84, 67,576.07 and 28,405.22

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Solution

The fourth proportional to 45,011.84, 67,576.07 and 28,405.22 is: 42,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.84 : 67,576.07 = 28,405.22 : x
  2. Step 2: Convert to fraction form
    45,011.84/67,576.07 = 28,405.22/x
  3. Step 3: Cross multiply
    45,011.84x = 67,576.07 × 28,405.22
  4. Step 4: Simplify right side
    45,011.84x = 1,919,512,868.22
  5. Step 5: Solve for x
    x = 1,919,512,868.22/45,011.84
  6. Step 6: Final answer
    x = 42,644.63

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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.