Home / 47,777.44-65,934.24-31,418.56

Finding the Fourth Proportional to 47,777.44, 65,934.24 and 31,418.56

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Solution

The fourth proportional to 47,777.44, 65,934.24 and 31,418.56 is: 43,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.44 : 65,934.24 = 31,418.56 : x
  2. Step 2: Convert to fraction form
    47,777.44/65,934.24 = 31,418.56/x
  3. Step 3: Cross multiply
    47,777.44x = 65,934.24 × 31,418.56
  4. Step 4: Simplify right side
    47,777.44x = 2,071,558,875.49
  5. Step 5: Solve for x
    x = 2,071,558,875.49/47,777.44
  6. Step 6: Final answer
    x = 43,358.52

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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.