Home / 38,855.08-58,276.44-13,890.48

Finding the Fourth Proportional to 38,855.08, 58,276.44 and 13,890.48

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Solution

The fourth proportional to 38,855.08, 58,276.44 and 13,890.48 is: 20,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.08 : 58,276.44 = 13,890.48 : x
  2. Step 2: Convert to fraction form
    38,855.08/58,276.44 = 13,890.48/x
  3. Step 3: Cross multiply
    38,855.08x = 58,276.44 × 13,890.48
  4. Step 4: Simplify right side
    38,855.08x = 809,487,724.29
  5. Step 5: Solve for x
    x = 809,487,724.29/38,855.08
  6. Step 6: Final answer
    x = 20,833.51

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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.