Home / 57,861.29-86,798.92-20,413.67

Finding the Fourth Proportional to 57,861.29, 86,798.92 and 20,413.67

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Solution

The fourth proportional to 57,861.29, 86,798.92 and 20,413.67 is: 30,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861.29 : 86,798.92 = 20,413.67 : x
  2. Step 2: Convert to fraction form
    57,861.29/86,798.92 = 20,413.67/x
  3. Step 3: Cross multiply
    57,861.29x = 86,798.92 × 20,413.67
  4. Step 4: Simplify right side
    57,861.29x = 1,771,884,675.20
  5. Step 5: Solve for x
    x = 1,771,884,675.20/57,861.29
  6. Step 6: Final answer
    x = 30,622.97

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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.