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Finding the Fourth Proportional to 52,751.08, 72,728.58 and 33,881.32

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Solution

The fourth proportional to 52,751.08, 72,728.58 and 33,881.32 is: 46,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.08 : 72,728.58 = 33,881.32 : x
  2. Step 2: Convert to fraction form
    52,751.08/72,728.58 = 33,881.32/x
  3. Step 3: Cross multiply
    52,751.08x = 72,728.58 × 33,881.32
  4. Step 4: Simplify right side
    52,751.08x = 2,464,140,292.13
  5. Step 5: Solve for x
    x = 2,464,140,292.13/52,751.08
  6. Step 6: Final answer
    x = 46,712.60

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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.