Home / 43,908.48-65,795.76-28,117.80

Finding the Fourth Proportional to 43,908.48, 65,795.76 and 28,117.80

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Solution

The fourth proportional to 43,908.48, 65,795.76 and 28,117.80 is: 42,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.48 : 65,795.76 = 28,117.80 : x
  2. Step 2: Convert to fraction form
    43,908.48/65,795.76 = 28,117.80/x
  3. Step 3: Cross multiply
    43,908.48x = 65,795.76 × 28,117.80
  4. Step 4: Simplify right side
    43,908.48x = 1,850,032,020.53
  5. Step 5: Solve for x
    x = 1,850,032,020.53/43,908.48
  6. Step 6: Final answer
    x = 42,133.82

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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.