Home / 51,379.31-70,906.19-31,232.93

Finding the Fourth Proportional to 51,379.31, 70,906.19 and 31,232.93

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Solution

The fourth proportional to 51,379.31, 70,906.19 and 31,232.93 is: 43,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379.31 : 70,906.19 = 31,232.93 : x
  2. Step 2: Convert to fraction form
    51,379.31/70,906.19 = 31,232.93/x
  3. Step 3: Cross multiply
    51,379.31x = 70,906.19 × 31,232.93
  4. Step 4: Simplify right side
    51,379.31x = 2,214,607,558.14
  5. Step 5: Solve for x
    x = 2,214,607,558.14/51,379.31
  6. Step 6: Final answer
    x = 43,103.10

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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.