Home / 31,325.74-46,990.65-9,137.25

Finding the Fourth Proportional to 31,325.74, 46,990.65 and 9,137.25

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Solution

The fourth proportional to 31,325.74, 46,990.65 and 9,137.25 is: 13,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.74 : 46,990.65 = 9,137.25 : x
  2. Step 2: Convert to fraction form
    31,325.74/46,990.65 = 9,137.25/x
  3. Step 3: Cross multiply
    31,325.74x = 46,990.65 × 9,137.25
  4. Step 4: Simplify right side
    31,325.74x = 429,365,350.98
  5. Step 5: Solve for x
    x = 429,365,350.98/31,325.74
  6. Step 6: Final answer
    x = 13,706.47

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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.