Home / 53,883.36-74,356.11-29,679.61

Finding the Fourth Proportional to 53,883.36, 74,356.11 and 29,679.61

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Solution

The fourth proportional to 53,883.36, 74,356.11 and 29,679.61 is: 40,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.36 : 74,356.11 = 29,679.61 : x
  2. Step 2: Convert to fraction form
    53,883.36/74,356.11 = 29,679.61/x
  3. Step 3: Cross multiply
    53,883.36x = 74,356.11 × 29,679.61
  4. Step 4: Simplify right side
    53,883.36x = 2,206,860,345.92
  5. Step 5: Solve for x
    x = 2,206,860,345.92/53,883.36
  6. Step 6: Final answer
    x = 40,956.25

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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.