Home / 38,330.04-57,426.66-20,788.68

Finding the Fourth Proportional to 38,330.04, 57,426.66 and 20,788.68

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Solution

The fourth proportional to 38,330.04, 57,426.66 and 20,788.68 is: 31,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.04 : 57,426.66 = 20,788.68 : x
  2. Step 2: Convert to fraction form
    38,330.04/57,426.66 = 20,788.68/x
  3. Step 3: Cross multiply
    38,330.04x = 57,426.66 × 20,788.68
  4. Step 4: Simplify right side
    38,330.04x = 1,193,824,458.21
  5. Step 5: Solve for x
    x = 1,193,824,458.21/38,330.04
  6. Step 6: Final answer
    x = 31,145.92

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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.