Home / 51,558.56-71,144.47-31,408.13

Finding the Fourth Proportional to 51,558.56, 71,144.47 and 31,408.13

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Solution

The fourth proportional to 51,558.56, 71,144.47 and 31,408.13 is: 43,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,558.56 : 71,144.47 = 31,408.13 : x
  2. Step 2: Convert to fraction form
    51,558.56/71,144.47 = 31,408.13/x
  3. Step 3: Cross multiply
    51,558.56x = 71,144.47 × 31,408.13
  4. Step 4: Simplify right side
    51,558.56x = 2,234,514,762.54
  5. Step 5: Solve for x
    x = 2,234,514,762.54/51,558.56
  6. Step 6: Final answer
    x = 43,339.36

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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.