Home / 49,046.06-67,688.16-28,909.22

Finding the Fourth Proportional to 49,046.06, 67,688.16 and 28,909.22

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Solution

The fourth proportional to 49,046.06, 67,688.16 and 28,909.22 is: 39,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046.06 : 67,688.16 = 28,909.22 : x
  2. Step 2: Convert to fraction form
    49,046.06/67,688.16 = 28,909.22/x
  3. Step 3: Cross multiply
    49,046.06x = 67,688.16 × 28,909.22
  4. Step 4: Simplify right side
    49,046.06x = 1,956,811,908.84
  5. Step 5: Solve for x
    x = 1,956,811,908.84/49,046.06
  6. Step 6: Final answer
    x = 39,897.43

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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.