Home / 53,778.24-74,215.78-29,580.23

Finding the Fourth Proportional to 53,778.24, 74,215.78 and 29,580.23

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Solution

The fourth proportional to 53,778.24, 74,215.78 and 29,580.23 is: 40,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.24 : 74,215.78 = 29,580.23 : x
  2. Step 2: Convert to fraction form
    53,778.24/74,215.78 = 29,580.23/x
  3. Step 3: Cross multiply
    53,778.24x = 74,215.78 × 29,580.23
  4. Step 4: Simplify right side
    53,778.24x = 2,195,319,694.13
  5. Step 5: Solve for x
    x = 2,195,319,694.13/53,778.24
  6. Step 6: Final answer
    x = 40,821.71

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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.