Home / 45,400.77-68,098.39-21,725.15

Finding the Fourth Proportional to 45,400.77, 68,098.39 and 21,725.15

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Solution

The fourth proportional to 45,400.77, 68,098.39 and 21,725.15 is: 32,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.77 : 68,098.39 = 21,725.15 : x
  2. Step 2: Convert to fraction form
    45,400.77/68,098.39 = 21,725.15/x
  3. Step 3: Cross multiply
    45,400.77x = 68,098.39 × 21,725.15
  4. Step 4: Simplify right side
    45,400.77x = 1,479,447,342.70
  5. Step 5: Solve for x
    x = 1,479,447,342.70/45,400.77
  6. Step 6: Final answer
    x = 32,586.39

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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.