Home / 45,937.94-68,906.70-12,658.28

Finding the Fourth Proportional to 45,937.94, 68,906.70 and 12,658.28

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Solution

The fourth proportional to 45,937.94, 68,906.70 and 12,658.28 is: 18,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,937.94 : 68,906.70 = 12,658.28 : x
  2. Step 2: Convert to fraction form
    45,937.94/68,906.70 = 12,658.28/x
  3. Step 3: Cross multiply
    45,937.94x = 68,906.70 × 12,658.28
  4. Step 4: Simplify right side
    45,937.94x = 872,239,957.94
  5. Step 5: Solve for x
    x = 872,239,957.94/45,937.94
  6. Step 6: Final answer
    x = 18,987.36

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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.