Home / 45,401.59-68,057.20-21,681.41

Finding the Fourth Proportional to 45,401.59, 68,057.20 and 21,681.41

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Solution

The fourth proportional to 45,401.59, 68,057.20 and 21,681.41 is: 32,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,401.59 : 68,057.20 = 21,681.41 : x
  2. Step 2: Convert to fraction form
    45,401.59/68,057.20 = 21,681.41/x
  3. Step 3: Cross multiply
    45,401.59x = 68,057.20 × 21,681.41
  4. Step 4: Simplify right side
    45,401.59x = 1,475,576,056.65
  5. Step 5: Solve for x
    x = 1,475,576,056.65/45,401.59
  6. Step 6: Final answer
    x = 32,500.54

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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.