Home / 55,719.87-76,892.81-30,569.37

Finding the Fourth Proportional to 55,719.87, 76,892.81 and 30,569.37

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Solution

The fourth proportional to 55,719.87, 76,892.81 and 30,569.37 is: 42,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,719.87 : 76,892.81 = 30,569.37 : x
  2. Step 2: Convert to fraction form
    55,719.87/76,892.81 = 30,569.37/x
  3. Step 3: Cross multiply
    55,719.87x = 76,892.81 × 30,569.37
  4. Step 4: Simplify right side
    55,719.87x = 2,350,564,606.38
  5. Step 5: Solve for x
    x = 2,350,564,606.38/55,719.87
  6. Step 6: Final answer
    x = 42,185.39

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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.