Home / 52,845.48-72,936.02-40,140.72

Finding the Fourth Proportional to 52,845.48, 72,936.02 and 40,140.72

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Solution

The fourth proportional to 52,845.48, 72,936.02 and 40,140.72 is: 55,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.48 : 72,936.02 = 40,140.72 : x
  2. Step 2: Convert to fraction form
    52,845.48/72,936.02 = 40,140.72/x
  3. Step 3: Cross multiply
    52,845.48x = 72,936.02 × 40,140.72
  4. Step 4: Simplify right side
    52,845.48x = 2,927,704,356.73
  5. Step 5: Solve for x
    x = 2,927,704,356.73/52,845.48
  6. Step 6: Final answer
    x = 55,401.23

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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.