Home / 57,324.15-79,112.30-31,835.43

Finding the Fourth Proportional to 57,324.15, 79,112.30 and 31,835.43

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Solution

The fourth proportional to 57,324.15, 79,112.30 and 31,835.43 is: 43,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,324.15 : 79,112.30 = 31,835.43 : x
  2. Step 2: Convert to fraction form
    57,324.15/79,112.30 = 31,835.43/x
  3. Step 3: Cross multiply
    57,324.15x = 79,112.30 × 31,835.43
  4. Step 4: Simplify right side
    57,324.15x = 2,518,573,929.61
  5. Step 5: Solve for x
    x = 2,518,573,929.61/57,324.15
  6. Step 6: Final answer
    x = 43,935.65

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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.