Home / 74,519.07-111,779.42-21,929.55

Finding the Fourth Proportional to 74,519.07, 111,779.42 and 21,929.55

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Solution

The fourth proportional to 74,519.07, 111,779.42 and 21,929.55 is: 32,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,519.07 : 111,779.42 = 21,929.55 : x
  2. Step 2: Convert to fraction form
    74,519.07/111,779.42 = 21,929.55/x
  3. Step 3: Cross multiply
    74,519.07x = 111,779.42 × 21,929.55
  4. Step 4: Simplify right side
    74,519.07x = 2,451,272,270.21
  5. Step 5: Solve for x
    x = 2,451,272,270.21/74,519.07
  6. Step 6: Final answer
    x = 32,894.56

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1.5x scale

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.