Home / 38,010.30-57,015.45-19,347.90

Finding the Fourth Proportional to 38,010.30, 57,015.45 and 19,347.90

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Solution

The fourth proportional to 38,010.30, 57,015.45 and 19,347.90 is: 29,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.30 : 57,015.45 = 19,347.90 : x
  2. Step 2: Convert to fraction form
    38,010.30/57,015.45 = 19,347.90/x
  3. Step 3: Cross multiply
    38,010.30x = 57,015.45 × 19,347.90
  4. Step 4: Simplify right side
    38,010.30x = 1,103,129,225.06
  5. Step 5: Solve for x
    x = 1,103,129,225.06/38,010.30
  6. Step 6: Final answer
    x = 29,021.85

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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.