Home / 38,648.34-58,235.77-31,782.15

Finding the Fourth Proportional to 38,648.34, 58,235.77 and 31,782.15

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Solution

The fourth proportional to 38,648.34, 58,235.77 and 31,782.15 is: 47,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.34 : 58,235.77 = 31,782.15 : x
  2. Step 2: Convert to fraction form
    38,648.34/58,235.77 = 31,782.15/x
  3. Step 3: Cross multiply
    38,648.34x = 58,235.77 × 31,782.15
  4. Step 4: Simplify right side
    38,648.34x = 1,850,857,964.18
  5. Step 5: Solve for x
    x = 1,850,857,964.18/38,648.34
  6. Step 6: Final answer
    x = 47,889.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.