Home / 58,836.88-81,195.39-31,979.41

Finding the Fourth Proportional to 58,836.88, 81,195.39 and 31,979.41

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Solution

The fourth proportional to 58,836.88, 81,195.39 and 31,979.41 is: 44,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,836.88 : 81,195.39 = 31,979.41 : x
  2. Step 2: Convert to fraction form
    58,836.88/81,195.39 = 31,979.41/x
  3. Step 3: Cross multiply
    58,836.88x = 81,195.39 × 31,979.41
  4. Step 4: Simplify right side
    58,836.88x = 2,596,580,666.92
  5. Step 5: Solve for x
    x = 2,596,580,666.92/58,836.88
  6. Step 6: Final answer
    x = 44,131.86

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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.