Home / 38,661.33-57,999.29-12,359.01

Finding the Fourth Proportional to 38,661.33, 57,999.29 and 12,359.01

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Solution

The fourth proportional to 38,661.33, 57,999.29 and 12,359.01 is: 18,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.33 : 57,999.29 = 12,359.01 : x
  2. Step 2: Convert to fraction form
    38,661.33/57,999.29 = 12,359.01/x
  3. Step 3: Cross multiply
    38,661.33x = 57,999.29 × 12,359.01
  4. Step 4: Simplify right side
    38,661.33x = 716,813,743.31
  5. Step 5: Solve for x
    x = 716,813,743.31/38,661.33
  6. Step 6: Final answer
    x = 18,540.85

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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.