Home / 55,365.75-76,403.66-30,215.43

Finding the Fourth Proportional to 55,365.75, 76,403.66 and 30,215.43

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Solution

The fourth proportional to 55,365.75, 76,403.66 and 30,215.43 is: 41,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365.75 : 76,403.66 = 30,215.43 : x
  2. Step 2: Convert to fraction form
    55,365.75/76,403.66 = 30,215.43/x
  3. Step 3: Cross multiply
    55,365.75x = 76,403.66 × 30,215.43
  4. Step 4: Simplify right side
    55,365.75x = 2,308,569,133.99
  5. Step 5: Solve for x
    x = 2,308,569,133.99/55,365.75
  6. Step 6: Final answer
    x = 41,696.70

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1.5x scale

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.