Home / 51,625.49-71,243.15-30,129.98

Finding the Fourth Proportional to 51,625.49, 71,243.15 and 30,129.98

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Solution

The fourth proportional to 51,625.49, 71,243.15 and 30,129.98 is: 41,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,625.49 : 71,243.15 = 30,129.98 : x
  2. Step 2: Convert to fraction form
    51,625.49/71,243.15 = 30,129.98/x
  3. Step 3: Cross multiply
    51,625.49x = 71,243.15 × 30,129.98
  4. Step 4: Simplify right side
    51,625.49x = 2,146,554,177.77
  5. Step 5: Solve for x
    x = 2,146,554,177.77/51,625.49
  6. Step 6: Final answer
    x = 41,579.35

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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.