Home / 52,750.71-72,796.05-28,877.45

Finding the Fourth Proportional to 52,750.71, 72,796.05 and 28,877.45

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Solution

The fourth proportional to 52,750.71, 72,796.05 and 28,877.45 is: 39,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.71 : 72,796.05 = 28,877.45 : x
  2. Step 2: Convert to fraction form
    52,750.71/72,796.05 = 28,877.45/x
  3. Step 3: Cross multiply
    52,750.71x = 72,796.05 × 28,877.45
  4. Step 4: Simplify right side
    52,750.71x = 2,102,163,930.09
  5. Step 5: Solve for x
    x = 2,102,163,930.09/52,750.71
  6. Step 6: Final answer
    x = 39,850.91

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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.