Home / 31,528.26-47,299.31-9,343.37

Finding the Fourth Proportional to 31,528.26, 47,299.31 and 9,343.37

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Solution

The fourth proportional to 31,528.26, 47,299.31 and 9,343.37 is: 14,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.26 : 47,299.31 = 9,343.37 : x
  2. Step 2: Convert to fraction form
    31,528.26/47,299.31 = 9,343.37/x
  3. Step 3: Cross multiply
    31,528.26x = 47,299.31 × 9,343.37
  4. Step 4: Simplify right side
    31,528.26x = 441,934,670.86
  5. Step 5: Solve for x
    x = 441,934,670.86/31,528.26
  6. Step 6: Final answer
    x = 14,017.10

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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.