Home / 51,191.37-70,649.84-28,532.43

Finding the Fourth Proportional to 51,191.37, 70,649.84 and 28,532.43

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Solution

The fourth proportional to 51,191.37, 70,649.84 and 28,532.43 is: 39,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.37 : 70,649.84 = 28,532.43 : x
  2. Step 2: Convert to fraction form
    51,191.37/70,649.84 = 28,532.43/x
  3. Step 3: Cross multiply
    51,191.37x = 70,649.84 × 28,532.43
  4. Step 4: Simplify right side
    51,191.37x = 2,015,811,471.65
  5. Step 5: Solve for x
    x = 2,015,811,471.65/51,191.37
  6. Step 6: Final answer
    x = 39,377.96

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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.