Home / 55,812.54-77,021.89-30,319.41

Finding the Fourth Proportional to 55,812.54, 77,021.89 and 30,319.41

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Solution

The fourth proportional to 55,812.54, 77,021.89 and 30,319.41 is: 41,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812.54 : 77,021.89 = 30,319.41 : x
  2. Step 2: Convert to fraction form
    55,812.54/77,021.89 = 30,319.41/x
  3. Step 3: Cross multiply
    55,812.54x = 77,021.89 × 30,319.41
  4. Step 4: Simplify right side
    55,812.54x = 2,335,258,186.09
  5. Step 5: Solve for x
    x = 2,335,258,186.09/55,812.54
  6. Step 6: Final answer
    x = 41,841.10

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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.