Home / 51,174.12-70,625.46-28,516.80

Finding the Fourth Proportional to 51,174.12, 70,625.46 and 28,516.80

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Solution

The fourth proportional to 51,174.12, 70,625.46 and 28,516.80 is: 39,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.12 : 70,625.46 = 28,516.80 : x
  2. Step 2: Convert to fraction form
    51,174.12/70,625.46 = 28,516.80/x
  3. Step 3: Cross multiply
    51,174.12x = 70,625.46 × 28,516.80
  4. Step 4: Simplify right side
    51,174.12x = 2,014,012,117.73
  5. Step 5: Solve for x
    x = 2,014,012,117.73/51,174.12
  6. Step 6: Final answer
    x = 39,356.07

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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.