Home / 51,234.86-70,703.96-28,573.88

Finding the Fourth Proportional to 51,234.86, 70,703.96 and 28,573.88

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Solution

The fourth proportional to 51,234.86, 70,703.96 and 28,573.88 is: 39,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.86 : 70,703.96 = 28,573.88 : x
  2. Step 2: Convert to fraction form
    51,234.86/70,703.96 = 28,573.88/x
  3. Step 3: Cross multiply
    51,234.86x = 70,703.96 × 28,573.88
  4. Step 4: Simplify right side
    51,234.86x = 2,020,286,468.56
  5. Step 5: Solve for x
    x = 2,020,286,468.56/51,234.86
  6. Step 6: Final answer
    x = 39,431.87

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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.