Home / 53,618.82-73,995.49-29,420.88

Finding the Fourth Proportional to 53,618.82, 73,995.49 and 29,420.88

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Solution

The fourth proportional to 53,618.82, 73,995.49 and 29,420.88 is: 40,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,618.82 : 73,995.49 = 29,420.88 : x
  2. Step 2: Convert to fraction form
    53,618.82/73,995.49 = 29,420.88/x
  3. Step 3: Cross multiply
    53,618.82x = 73,995.49 × 29,420.88
  4. Step 4: Simplify right side
    53,618.82x = 2,177,012,431.83
  5. Step 5: Solve for x
    x = 2,177,012,431.83/53,618.82
  6. Step 6: Final answer
    x = 40,601.65

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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.