Home / 51,460.40-71,016.62-28,799.21

Finding the Fourth Proportional to 51,460.40, 71,016.62 and 28,799.21

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Solution

The fourth proportional to 51,460.40, 71,016.62 and 28,799.21 is: 39,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460.40 : 71,016.62 = 28,799.21 : x
  2. Step 2: Convert to fraction form
    51,460.40/71,016.62 = 28,799.21/x
  3. Step 3: Cross multiply
    51,460.40x = 71,016.62 × 28,799.21
  4. Step 4: Simplify right side
    51,460.40x = 2,045,222,053.79
  5. Step 5: Solve for x
    x = 2,045,222,053.79/51,460.40
  6. Step 6: Final answer
    x = 39,743.61

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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.