Home / 50,324.10-75,438.15-18,725.70

Finding the Fourth Proportional to 50,324.10, 75,438.15 and 18,725.70

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Solution

The fourth proportional to 50,324.10, 75,438.15 and 18,725.70 is: 28,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,324.10 : 75,438.15 = 18,725.70 : x
  2. Step 2: Convert to fraction form
    50,324.10/75,438.15 = 18,725.70/x
  3. Step 3: Cross multiply
    50,324.10x = 75,438.15 × 18,725.70
  4. Step 4: Simplify right side
    50,324.10x = 1,412,632,165.46
  5. Step 5: Solve for x
    x = 1,412,632,165.46/50,324.10
  6. Step 6: Final answer
    x = 28,070.69

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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.