Home / 31,515.86-47,273.65-9,329.37

Finding the Fourth Proportional to 31,515.86, 47,273.65 and 9,329.37

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Solution

The fourth proportional to 31,515.86, 47,273.65 and 9,329.37 is: 13,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.86 : 47,273.65 = 9,329.37 : x
  2. Step 2: Convert to fraction form
    31,515.86/47,273.65 = 9,329.37/x
  3. Step 3: Cross multiply
    31,515.86x = 47,273.65 × 9,329.37
  4. Step 4: Simplify right side
    31,515.86x = 441,033,325.45
  5. Step 5: Solve for x
    x = 441,033,325.45/31,515.86
  6. Step 6: Final answer
    x = 13,994.01

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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.