Home / 53,921.92-74,419.42-30,960.79

Finding the Fourth Proportional to 53,921.92, 74,419.42 and 30,960.79

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Solution

The fourth proportional to 53,921.92, 74,419.42 and 30,960.79 is: 42,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.92 : 74,419.42 = 30,960.79 : x
  2. Step 2: Convert to fraction form
    53,921.92/74,419.42 = 30,960.79/x
  3. Step 3: Cross multiply
    53,921.92x = 74,419.42 × 30,960.79
  4. Step 4: Simplify right side
    53,921.92x = 2,304,084,034.54
  5. Step 5: Solve for x
    x = 2,304,084,034.54/53,921.92
  6. Step 6: Final answer
    x = 42,730.01

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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.