Home / 49,869.45-68,822.47-28,650.08

Finding the Fourth Proportional to 49,869.45, 68,822.47 and 28,650.08

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Solution

The fourth proportional to 49,869.45, 68,822.47 and 28,650.08 is: 39,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.45 : 68,822.47 = 28,650.08 : x
  2. Step 2: Convert to fraction form
    49,869.45/68,822.47 = 28,650.08/x
  3. Step 3: Cross multiply
    49,869.45x = 68,822.47 × 28,650.08
  4. Step 4: Simplify right side
    49,869.45x = 1,971,769,271.30
  5. Step 5: Solve for x
    x = 1,971,769,271.30/49,869.45
  6. Step 6: Final answer
    x = 39,538.62

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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.