Home / 53,716.76-74,131.20-29,518.75

Finding the Fourth Proportional to 53,716.76, 74,131.20 and 29,518.75

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Solution

The fourth proportional to 53,716.76, 74,131.20 and 29,518.75 is: 40,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.76 : 74,131.20 = 29,518.75 : x
  2. Step 2: Convert to fraction form
    53,716.76/74,131.20 = 29,518.75/x
  3. Step 3: Cross multiply
    53,716.76x = 74,131.20 × 29,518.75
  4. Step 4: Simplify right side
    53,716.76x = 2,188,260,452.66
  5. Step 5: Solve for x
    x = 2,188,260,452.66/53,716.76
  6. Step 6: Final answer
    x = 40,737.01

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Double scale
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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.