Home / 63,068.12-94,578.54-20,940.42

Finding the Fourth Proportional to 63,068.12, 94,578.54 and 20,940.42

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Solution

The fourth proportional to 63,068.12, 94,578.54 and 20,940.42 is: 31,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,068.12 : 94,578.54 = 20,940.42 : x
  2. Step 2: Convert to fraction form
    63,068.12/94,578.54 = 20,940.42/x
  3. Step 3: Cross multiply
    63,068.12x = 94,578.54 × 20,940.42
  4. Step 4: Simplify right side
    63,068.12x = 1,980,514,350.59
  5. Step 5: Solve for x
    x = 1,980,514,350.59/63,068.12
  6. Step 6: Final answer
    x = 31,402.78

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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.