Home / 43,545.93-65,208.11-28,709.84

Finding the Fourth Proportional to 43,545.93, 65,208.11 and 28,709.84

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Solution

The fourth proportional to 43,545.93, 65,208.11 and 28,709.84 is: 42,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,545.93 : 65,208.11 = 28,709.84 : x
  2. Step 2: Convert to fraction form
    43,545.93/65,208.11 = 28,709.84/x
  3. Step 3: Cross multiply
    43,545.93x = 65,208.11 × 28,709.84
  4. Step 4: Simplify right side
    43,545.93x = 1,872,113,935.21
  5. Step 5: Solve for x
    x = 1,872,113,935.21/43,545.93
  6. Step 6: Final answer
    x = 42,991.71

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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.