Home / 40,226.88-60,318.40-13,929.44

Finding the Fourth Proportional to 40,226.88, 60,318.40 and 13,929.44

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Solution

The fourth proportional to 40,226.88, 60,318.40 and 13,929.44 is: 20,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.88 : 60,318.40 = 13,929.44 : x
  2. Step 2: Convert to fraction form
    40,226.88/60,318.40 = 13,929.44/x
  3. Step 3: Cross multiply
    40,226.88x = 60,318.40 × 13,929.44
  4. Step 4: Simplify right side
    40,226.88x = 840,201,533.70
  5. Step 5: Solve for x
    x = 840,201,533.70/40,226.88
  6. Step 6: Final answer
    x = 20,886.57

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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.