Home / 31,139.72-46,683.48-13,596.20

Finding the Fourth Proportional to 31,139.72, 46,683.48 and 13,596.20

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Solution

The fourth proportional to 31,139.72, 46,683.48 and 13,596.20 is: 20,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,139.72 : 46,683.48 = 13,596.20 : x
  2. Step 2: Convert to fraction form
    31,139.72/46,683.48 = 13,596.20/x
  3. Step 3: Cross multiply
    31,139.72x = 46,683.48 × 13,596.20
  4. Step 4: Simplify right side
    31,139.72x = 634,717,930.78
  5. Step 5: Solve for x
    x = 634,717,930.78/31,139.72
  6. Step 6: Final answer
    x = 20,382.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.