Home / 50,311.68-75,434.40-28,157.76

Finding the Fourth Proportional to 50,311.68, 75,434.40 and 28,157.76

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Solution

The fourth proportional to 50,311.68, 75,434.40 and 28,157.76 is: 42,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311.68 : 75,434.40 = 28,157.76 : x
  2. Step 2: Convert to fraction form
    50,311.68/75,434.40 = 28,157.76/x
  3. Step 3: Cross multiply
    50,311.68x = 75,434.40 × 28,157.76
  4. Step 4: Simplify right side
    50,311.68x = 2,124,063,730.94
  5. Step 5: Solve for x
    x = 2,124,063,730.94/50,311.68
  6. Step 6: Final answer
    x = 42,218.10

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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.