Home / 53,478.18-74,137.50-50,634

Finding the Fourth Proportional to 53,478.18, 74,137.50 and 50,634

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Solution

The fourth proportional to 53,478.18, 74,137.50 and 50,634 is: 70,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.18 : 74,137.50 = 50,634 : x
  2. Step 2: Convert to fraction form
    53,478.18/74,137.50 = 50,634/x
  3. Step 3: Cross multiply
    53,478.18x = 74,137.50 × 50,634
  4. Step 4: Simplify right side
    53,478.18x = 3,753,878,175
  5. Step 5: Solve for x
    x = 3,753,878,175/53,478.18
  6. Step 6: Final answer
    x = 70,194.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.