Home / 66,849.51-100,274.44-16,929.61

Finding the Fourth Proportional to 66,849.51, 100,274.44 and 16,929.61

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Solution

The fourth proportional to 66,849.51, 100,274.44 and 16,929.61 is: 25,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,849.51 : 100,274.44 = 16,929.61 : x
  2. Step 2: Convert to fraction form
    66,849.51/100,274.44 = 16,929.61/x
  3. Step 3: Cross multiply
    66,849.51x = 100,274.44 × 16,929.61
  4. Step 4: Simplify right side
    66,849.51x = 1,697,607,433.20
  5. Step 5: Solve for x
    x = 1,697,607,433.20/66,849.51
  6. Step 6: Final answer
    x = 25,394.46

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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.