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Finding the Fourth Proportional to 52,958.37, 79,437.54 and 15,518.44

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Solution

The fourth proportional to 52,958.37, 79,437.54 and 15,518.44 is: 23,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.37 : 79,437.54 = 15,518.44 : x
  2. Step 2: Convert to fraction form
    52,958.37/79,437.54 = 15,518.44/x
  3. Step 3: Cross multiply
    52,958.37x = 79,437.54 × 15,518.44
  4. Step 4: Simplify right side
    52,958.37x = 1,232,746,408.89
  5. Step 5: Solve for x
    x = 1,232,746,408.89/52,958.37
  6. Step 6: Final answer
    x = 23,277.65

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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.