Home / 40,793.24-61,189.86-12,715.56

Finding the Fourth Proportional to 40,793.24, 61,189.86 and 12,715.56

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Solution

The fourth proportional to 40,793.24, 61,189.86 and 12,715.56 is: 19,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,793.24 : 61,189.86 = 12,715.56 : x
  2. Step 2: Convert to fraction form
    40,793.24/61,189.86 = 12,715.56/x
  3. Step 3: Cross multiply
    40,793.24x = 61,189.86 × 12,715.56
  4. Step 4: Simplify right side
    40,793.24x = 778,063,336.22
  5. Step 5: Solve for x
    x = 778,063,336.22/40,793.24
  6. Step 6: Final answer
    x = 19,073.34

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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.