Home / 52,770.46-79,154.67-21,187.66

Finding the Fourth Proportional to 52,770.46, 79,154.67 and 21,187.66

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Solution

The fourth proportional to 52,770.46, 79,154.67 and 21,187.66 is: 31,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.46 : 79,154.67 = 21,187.66 : x
  2. Step 2: Convert to fraction form
    52,770.46/79,154.67 = 21,187.66/x
  3. Step 3: Cross multiply
    52,770.46x = 79,154.67 × 21,187.66
  4. Step 4: Simplify right side
    52,770.46x = 1,677,102,235.37
  5. Step 5: Solve for x
    x = 1,677,102,235.37/52,770.46
  6. Step 6: Final answer
    x = 31,781.08

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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.