Home / 57,543.83-86,208.82-31,270.67

Finding the Fourth Proportional to 57,543.83, 86,208.82 and 31,270.67

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Solution

The fourth proportional to 57,543.83, 86,208.82 and 31,270.67 is: 46,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,543.83 : 86,208.82 = 31,270.67 : x
  2. Step 2: Convert to fraction form
    57,543.83/86,208.82 = 31,270.67/x
  3. Step 3: Cross multiply
    57,543.83x = 86,208.82 × 31,270.67
  4. Step 4: Simplify right side
    57,543.83x = 2,695,807,561.31
  5. Step 5: Solve for x
    x = 2,695,807,561.31/57,543.83
  6. Step 6: Final answer
    x = 46,847.90

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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.