Home / 38,724.09-58,080.66-12,425.42

Finding the Fourth Proportional to 38,724.09, 58,080.66 and 12,425.42

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Solution

The fourth proportional to 38,724.09, 58,080.66 and 12,425.42 is: 18,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,724.09 : 58,080.66 = 12,425.42 : x
  2. Step 2: Convert to fraction form
    38,724.09/58,080.66 = 12,425.42/x
  3. Step 3: Cross multiply
    38,724.09x = 58,080.66 × 12,425.42
  4. Step 4: Simplify right side
    38,724.09x = 721,676,303.97
  5. Step 5: Solve for x
    x = 721,676,303.97/38,724.09
  6. Step 6: Final answer
    x = 18,636.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.