Home / 38,509.38-57,771.90-21,877.38

Finding the Fourth Proportional to 38,509.38, 57,771.90 and 21,877.38

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Solution

The fourth proportional to 38,509.38, 57,771.90 and 21,877.38 is: 32,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,509.38 : 57,771.90 = 21,877.38 : x
  2. Step 2: Convert to fraction form
    38,509.38/57,771.90 = 21,877.38/x
  3. Step 3: Cross multiply
    38,509.38x = 57,771.90 × 21,877.38
  4. Step 4: Simplify right side
    38,509.38x = 1,263,897,809.62
  5. Step 5: Solve for x
    x = 1,263,897,809.62/38,509.38
  6. Step 6: Final answer
    x = 32,820.52

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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.