Home / 31,820.03-47,730.04-9,633.37

Finding the Fourth Proportional to 31,820.03, 47,730.04 and 9,633.37

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Solution

The fourth proportional to 31,820.03, 47,730.04 and 9,633.37 is: 14,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.03 : 47,730.04 = 9,633.37 : x
  2. Step 2: Convert to fraction form
    31,820.03/47,730.04 = 9,633.37/x
  3. Step 3: Cross multiply
    31,820.03x = 47,730.04 × 9,633.37
  4. Step 4: Simplify right side
    31,820.03x = 459,801,135.43
  5. Step 5: Solve for x
    x = 459,801,135.43/31,820.03
  6. Step 6: Final answer
    x = 14,450.05

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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.