Home / 38,301.85-57,441.09-30,787.58

Finding the Fourth Proportional to 38,301.85, 57,441.09 and 30,787.58

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Solution

The fourth proportional to 38,301.85, 57,441.09 and 30,787.58 is: 46,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.85 : 57,441.09 = 30,787.58 : x
  2. Step 2: Convert to fraction form
    38,301.85/57,441.09 = 30,787.58/x
  3. Step 3: Cross multiply
    38,301.85x = 57,441.09 × 30,787.58
  4. Step 4: Simplify right side
    38,301.85x = 1,768,471,885.01
  5. Step 5: Solve for x
    x = 1,768,471,885.01/38,301.85
  6. Step 6: Final answer
    x = 46,171.98

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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.