Home / 69,339.30-103,925.40-31,847.64

Finding the Fourth Proportional to 69,339.30, 103,925.40 and 31,847.64

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Solution

The fourth proportional to 69,339.30, 103,925.40 and 31,847.64 is: 47,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,339.30 : 103,925.40 = 31,847.64 : x
  2. Step 2: Convert to fraction form
    69,339.30/103,925.40 = 31,847.64/x
  3. Step 3: Cross multiply
    69,339.30x = 103,925.40 × 31,847.64
  4. Step 4: Simplify right side
    69,339.30x = 3,309,778,726.06
  5. Step 5: Solve for x
    x = 3,309,778,726.06/69,339.30
  6. Step 6: Final answer
    x = 47,733.09

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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.