Home / 51,890.17-71,595.23-31,739.70

Finding the Fourth Proportional to 51,890.17, 71,595.23 and 31,739.70

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Solution

The fourth proportional to 51,890.17, 71,595.23 and 31,739.70 is: 43,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,890.17 : 71,595.23 = 31,739.70 : x
  2. Step 2: Convert to fraction form
    51,890.17/71,595.23 = 31,739.70/x
  3. Step 3: Cross multiply
    51,890.17x = 71,595.23 × 31,739.70
  4. Step 4: Simplify right side
    51,890.17x = 2,272,411,121.63
  5. Step 5: Solve for x
    x = 2,272,411,121.63/51,890.17
  6. Step 6: Final answer
    x = 43,792.71

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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.