Home / 49,685.00-68,580.14-28,478.39

Finding the Fourth Proportional to 49,685.00, 68,580.14 and 28,478.39

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Solution

The fourth proportional to 49,685.00, 68,580.14 and 28,478.39 is: 39,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685.00 : 68,580.14 = 28,478.39 : x
  2. Step 2: Convert to fraction form
    49,685.00/68,580.14 = 28,478.39/x
  3. Step 3: Cross multiply
    49,685.00x = 68,580.14 × 28,478.39
  4. Step 4: Simplify right side
    49,685.00x = 1,953,051,487.88
  5. Step 5: Solve for x
    x = 1,953,051,487.88/49,685.00
  6. Step 6: Final answer
    x = 39,308.68

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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.