Home / 55,390.23-76,502.25-40,350.15

Finding the Fourth Proportional to 55,390.23, 76,502.25 and 40,350.15

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Solution

The fourth proportional to 55,390.23, 76,502.25 and 40,350.15 is: 55,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390.23 : 76,502.25 = 40,350.15 : x
  2. Step 2: Convert to fraction form
    55,390.23/76,502.25 = 40,350.15/x
  3. Step 3: Cross multiply
    55,390.23x = 76,502.25 × 40,350.15
  4. Step 4: Simplify right side
    55,390.23x = 3,086,877,262.84
  5. Step 5: Solve for x
    x = 3,086,877,262.84/55,390.23
  6. Step 6: Final answer
    x = 55,729.63

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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.