Home / 72,632.82-100,222.38-40,795.62

Finding the Fourth Proportional to 72,632.82, 100,222.38 and 40,795.62

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Solution

The fourth proportional to 72,632.82, 100,222.38 and 40,795.62 is: 56,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,632.82 : 100,222.38 = 40,795.62 : x
  2. Step 2: Convert to fraction form
    72,632.82/100,222.38 = 40,795.62/x
  3. Step 3: Cross multiply
    72,632.82x = 100,222.38 × 40,795.62
  4. Step 4: Simplify right side
    72,632.82x = 4,088,634,129.98
  5. Step 5: Solve for x
    x = 4,088,634,129.98/72,632.82
  6. Step 6: Final answer
    x = 56,291.83

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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.