Home / 51,232.50-70,713.81-28,889.46

Finding the Fourth Proportional to 51,232.50, 70,713.81 and 28,889.46

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Solution

The fourth proportional to 51,232.50, 70,713.81 and 28,889.46 is: 39,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,232.50 : 70,713.81 = 28,889.46 : x
  2. Step 2: Convert to fraction form
    51,232.50/70,713.81 = 28,889.46/x
  3. Step 3: Cross multiply
    51,232.50x = 70,713.81 × 28,889.46
  4. Step 4: Simplify right side
    51,232.50x = 2,042,883,785.44
  5. Step 5: Solve for x
    x = 2,042,883,785.44/51,232.50
  6. Step 6: Final answer
    x = 39,874.76

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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.