Home / 51,456.24-71,018.64-29,943.72

Finding the Fourth Proportional to 51,456.24, 71,018.64 and 29,943.72

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Solution

The fourth proportional to 51,456.24, 71,018.64 and 29,943.72 is: 41,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.24 : 71,018.64 = 29,943.72 : x
  2. Step 2: Convert to fraction form
    51,456.24/71,018.64 = 29,943.72/x
  3. Step 3: Cross multiply
    51,456.24x = 71,018.64 × 29,943.72
  4. Step 4: Simplify right side
    51,456.24x = 2,126,562,270.94
  5. Step 5: Solve for x
    x = 2,126,562,270.94/51,456.24
  6. Step 6: Final answer
    x = 41,327.59

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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.