Home / 38,789.22-58,186.14-12,140.19

Finding the Fourth Proportional to 38,789.22, 58,186.14 and 12,140.19

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Solution

The fourth proportional to 38,789.22, 58,186.14 and 12,140.19 is: 18,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.22 : 58,186.14 = 12,140.19 : x
  2. Step 2: Convert to fraction form
    38,789.22/58,186.14 = 12,140.19/x
  3. Step 3: Cross multiply
    38,789.22x = 58,186.14 × 12,140.19
  4. Step 4: Simplify right side
    38,789.22x = 706,390,794.97
  5. Step 5: Solve for x
    x = 706,390,794.97/38,789.22
  6. Step 6: Final answer
    x = 18,211.01

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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.