Home / 38,775.41-58,053.56-31,617.21

Finding the Fourth Proportional to 38,775.41, 58,053.56 and 31,617.21

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Solution

The fourth proportional to 38,775.41, 58,053.56 and 31,617.21 is: 47,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,775.41 : 58,053.56 = 31,617.21 : x
  2. Step 2: Convert to fraction form
    38,775.41/58,053.56 = 31,617.21/x
  3. Step 3: Cross multiply
    38,775.41x = 58,053.56 × 31,617.21
  4. Step 4: Simplify right side
    38,775.41x = 1,835,491,439.68
  5. Step 5: Solve for x
    x = 1,835,491,439.68/38,775.41
  6. Step 6: Final answer
    x = 47,336.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.