Home / 53,717.76-74,132.58-29,519.75

Finding the Fourth Proportional to 53,717.76, 74,132.58 and 29,519.75

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Solution

The fourth proportional to 53,717.76, 74,132.58 and 29,519.75 is: 40,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.76 : 74,132.58 = 29,519.75 : x
  2. Step 2: Convert to fraction form
    53,717.76/74,132.58 = 29,519.75/x
  3. Step 3: Cross multiply
    53,717.76x = 74,132.58 × 29,519.75
  4. Step 4: Simplify right side
    53,717.76x = 2,188,375,228.46
  5. Step 5: Solve for x
    x = 2,188,375,228.46/53,717.76
  6. Step 6: Final answer
    x = 40,738.39

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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.