Home / 74,047.95-111,089.21-21,458.43

Finding the Fourth Proportional to 74,047.95, 111,089.21 and 21,458.43

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Solution

The fourth proportional to 74,047.95, 111,089.21 and 21,458.43 is: 32,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.95 : 111,089.21 = 21,458.43 : x
  2. Step 2: Convert to fraction form
    74,047.95/111,089.21 = 21,458.43/x
  3. Step 3: Cross multiply
    74,047.95x = 111,089.21 × 21,458.43
  4. Step 4: Simplify right side
    74,047.95x = 2,383,799,929.25
  5. Step 5: Solve for x
    x = 2,383,799,929.25/74,047.95
  6. Step 6: Final answer
    x = 32,192.65

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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.