Home / 56,265.16-77,645.05-30,770.94

Finding the Fourth Proportional to 56,265.16, 77,645.05 and 30,770.94

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Solution

The fourth proportional to 56,265.16, 77,645.05 and 30,770.94 is: 42,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,265.16 : 77,645.05 = 30,770.94 : x
  2. Step 2: Convert to fraction form
    56,265.16/77,645.05 = 30,770.94/x
  3. Step 3: Cross multiply
    56,265.16x = 77,645.05 × 30,770.94
  4. Step 4: Simplify right side
    56,265.16x = 2,389,211,174.85
  5. Step 5: Solve for x
    x = 2,389,211,174.85/56,265.16
  6. Step 6: Final answer
    x = 42,463.42

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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.