Home / 40,770.49-61,105.53-19,434.41

Finding the Fourth Proportional to 40,770.49, 61,105.53 and 19,434.41

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Solution

The fourth proportional to 40,770.49, 61,105.53 and 19,434.41 is: 29,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.49 : 61,105.53 = 19,434.41 : x
  2. Step 2: Convert to fraction form
    40,770.49/61,105.53 = 19,434.41/x
  3. Step 3: Cross multiply
    40,770.49x = 61,105.53 × 19,434.41
  4. Step 4: Simplify right side
    40,770.49x = 1,187,549,978.88
  5. Step 5: Solve for x
    x = 1,187,549,978.88/40,770.49
  6. Step 6: Final answer
    x = 29,127.69

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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.