Home / 31,583.25-47,359.01-10,515.85

Finding the Fourth Proportional to 31,583.25, 47,359.01 and 10,515.85

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Solution

The fourth proportional to 31,583.25, 47,359.01 and 10,515.85 is: 15,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.25 : 47,359.01 = 10,515.85 : x
  2. Step 2: Convert to fraction form
    31,583.25/47,359.01 = 10,515.85/x
  3. Step 3: Cross multiply
    31,583.25x = 47,359.01 × 10,515.85
  4. Step 4: Simplify right side
    31,583.25x = 498,020,153.20
  5. Step 5: Solve for x
    x = 498,020,153.20/31,583.25
  6. Step 6: Final answer
    x = 15,768.49

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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.