Home / 38,820.41-58,189.10-20,081.58

Finding the Fourth Proportional to 38,820.41, 58,189.10 and 20,081.58

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Solution

The fourth proportional to 38,820.41, 58,189.10 and 20,081.58 is: 30,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.41 : 58,189.10 = 20,081.58 : x
  2. Step 2: Convert to fraction form
    38,820.41/58,189.10 = 20,081.58/x
  3. Step 3: Cross multiply
    38,820.41x = 58,189.10 × 20,081.58
  4. Step 4: Simplify right side
    38,820.41x = 1,168,528,966.37
  5. Step 5: Solve for x
    x = 1,168,528,966.37/38,820.41
  6. Step 6: Final answer
    x = 30,100.90

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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.