Home / 49,212.07-67,911.45-27,989.98

Finding the Fourth Proportional to 49,212.07, 67,911.45 and 27,989.98

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Solution

The fourth proportional to 49,212.07, 67,911.45 and 27,989.98 is: 38,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212.07 : 67,911.45 = 27,989.98 : x
  2. Step 2: Convert to fraction form
    49,212.07/67,911.45 = 27,989.98/x
  3. Step 3: Cross multiply
    49,212.07x = 67,911.45 × 27,989.98
  4. Step 4: Simplify right side
    49,212.07x = 1,900,840,127.27
  5. Step 5: Solve for x
    x = 1,900,840,127.27/49,212.07
  6. Step 6: Final answer
    x = 38,625.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.