Home / 51,836.88-71,535-29,480.88

Finding the Fourth Proportional to 51,836.88, 71,535 and 29,480.88

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Solution

The fourth proportional to 51,836.88, 71,535 and 29,480.88 is: 40,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,836.88 : 71,535 = 29,480.88 : x
  2. Step 2: Convert to fraction form
    51,836.88/71,535 = 29,480.88/x
  3. Step 3: Cross multiply
    51,836.88x = 71,535 × 29,480.88
  4. Step 4: Simplify right side
    51,836.88x = 2,108,914,750.80
  5. Step 5: Solve for x
    x = 2,108,914,750.80/51,836.88
  6. Step 6: Final answer
    x = 40,683.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.