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Finding the Fourth Proportional to 61,366.54, 91,955.52 and 36,356.83

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Solution

The fourth proportional to 61,366.54, 91,955.52 and 36,356.83 is: 54,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.54 : 91,955.52 = 36,356.83 : x
  2. Step 2: Convert to fraction form
    61,366.54/91,955.52 = 36,356.83/x
  3. Step 3: Cross multiply
    61,366.54x = 91,955.52 × 36,356.83
  4. Step 4: Simplify right side
    61,366.54x = 3,343,211,208.20
  5. Step 5: Solve for x
    x = 3,343,211,208.20/61,366.54
  6. Step 6: Final answer
    x = 54,479.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.