Home / 38,315.33-57,480.29-12,013.01

Finding the Fourth Proportional to 38,315.33, 57,480.29 and 12,013.01

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Solution

The fourth proportional to 38,315.33, 57,480.29 and 12,013.01 is: 18,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.33 : 57,480.29 = 12,013.01 : x
  2. Step 2: Convert to fraction form
    38,315.33/57,480.29 = 12,013.01/x
  3. Step 3: Cross multiply
    38,315.33x = 57,480.29 × 12,013.01
  4. Step 4: Simplify right side
    38,315.33x = 690,511,238.51
  5. Step 5: Solve for x
    x = 690,511,238.51/38,315.33
  6. Step 6: Final answer
    x = 18,021.80

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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.