Home / 51,738.01-71,398.70-30,228.98

Finding the Fourth Proportional to 51,738.01, 71,398.70 and 30,228.98

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Solution

The fourth proportional to 51,738.01, 71,398.70 and 30,228.98 is: 41,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738.01 : 71,398.70 = 30,228.98 : x
  2. Step 2: Convert to fraction form
    51,738.01/71,398.70 = 30,228.98/x
  3. Step 3: Cross multiply
    51,738.01x = 71,398.70 × 30,228.98
  4. Step 4: Simplify right side
    51,738.01x = 2,158,309,860.65
  5. Step 5: Solve for x
    x = 2,158,309,860.65/51,738.01
  6. Step 6: Final answer
    x = 41,716.13

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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.