Home / 53,922.92-74,420.80-30,961.79

Finding the Fourth Proportional to 53,922.92, 74,420.80 and 30,961.79

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Solution

The fourth proportional to 53,922.92, 74,420.80 and 30,961.79 is: 42,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.92 : 74,420.80 = 30,961.79 : x
  2. Step 2: Convert to fraction form
    53,922.92/74,420.80 = 30,961.79/x
  3. Step 3: Cross multiply
    53,922.92x = 74,420.80 × 30,961.79
  4. Step 4: Simplify right side
    53,922.92x = 2,304,201,181.23
  5. Step 5: Solve for x
    x = 2,304,201,181.23/53,922.92
  6. Step 6: Final answer
    x = 42,731.39

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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.