Home / 38,740.40-58,141.73-20,025.90

Finding the Fourth Proportional to 38,740.40, 58,141.73 and 20,025.90

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Solution

The fourth proportional to 38,740.40, 58,141.73 and 20,025.90 is: 30,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.40 : 58,141.73 = 20,025.90 : x
  2. Step 2: Convert to fraction form
    38,740.40/58,141.73 = 20,025.90/x
  3. Step 3: Cross multiply
    38,740.40x = 58,141.73 × 20,025.90
  4. Step 4: Simplify right side
    38,740.40x = 1,164,340,370.68
  5. Step 5: Solve for x
    x = 1,164,340,370.68/38,740.40
  6. Step 6: Final answer
    x = 30,054.94

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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.