Home / 42,508.64-58,588.44-31,879.82

Finding the Fourth Proportional to 42,508.64, 58,588.44 and 31,879.82

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Solution

The fourth proportional to 42,508.64, 58,588.44 and 31,879.82 is: 43,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508.64 : 58,588.44 = 31,879.82 : x
  2. Step 2: Convert to fraction form
    42,508.64/58,588.44 = 31,879.82/x
  3. Step 3: Cross multiply
    42,508.64x = 58,588.44 × 31,879.82
  4. Step 4: Simplify right side
    42,508.64x = 1,867,788,921.28
  5. Step 5: Solve for x
    x = 1,867,788,921.28/42,508.64
  6. Step 6: Final answer
    x = 43,939.04

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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.