Home / 53,921.97-74,411.31-30,048.12

Finding the Fourth Proportional to 53,921.97, 74,411.31 and 30,048.12

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Solution

The fourth proportional to 53,921.97, 74,411.31 and 30,048.12 is: 41,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.97 : 74,411.31 = 30,048.12 : x
  2. Step 2: Convert to fraction form
    53,921.97/74,411.31 = 30,048.12/x
  3. Step 3: Cross multiply
    53,921.97x = 74,411.31 × 30,048.12
  4. Step 4: Simplify right side
    53,921.97x = 2,235,919,972.24
  5. Step 5: Solve for x
    x = 2,235,919,972.24/53,921.97
  6. Step 6: Final answer
    x = 41,465.84

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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.