Home / 69,337.30-103,922.40-31,845.64

Finding the Fourth Proportional to 69,337.30, 103,922.40 and 31,845.64

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Solution

The fourth proportional to 69,337.30, 103,922.40 and 31,845.64 is: 47,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.30 : 103,922.40 = 31,845.64 : x
  2. Step 2: Convert to fraction form
    69,337.30/103,922.40 = 31,845.64/x
  3. Step 3: Cross multiply
    69,337.30x = 103,922.40 × 31,845.64
  4. Step 4: Simplify right side
    69,337.30x = 3,309,475,338.34
  5. Step 5: Solve for x
    x = 3,309,475,338.34/69,337.30
  6. Step 6: Final answer
    x = 47,730.09

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1.5x scale

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.