Home / 52,731.61-72,770.87-30,072.77

Finding the Fourth Proportional to 52,731.61, 72,770.87 and 30,072.77

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Solution

The fourth proportional to 52,731.61, 72,770.87 and 30,072.77 is: 41,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.61 : 72,770.87 = 30,072.77 : x
  2. Step 2: Convert to fraction form
    52,731.61/72,770.87 = 30,072.77/x
  3. Step 3: Cross multiply
    52,731.61x = 72,770.87 × 30,072.77
  4. Step 4: Simplify right side
    52,731.61x = 2,188,421,620.43
  5. Step 5: Solve for x
    x = 2,188,421,620.43/52,731.61
  6. Step 6: Final answer
    x = 41,501.14

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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.