Home / 66,846.03-100,291.38-21,869.45

Finding the Fourth Proportional to 66,846.03, 100,291.38 and 21,869.45

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Solution

The fourth proportional to 66,846.03, 100,291.38 and 21,869.45 is: 32,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846.03 : 100,291.38 = 21,869.45 : x
  2. Step 2: Convert to fraction form
    66,846.03/100,291.38 = 21,869.45/x
  3. Step 3: Cross multiply
    66,846.03x = 100,291.38 × 21,869.45
  4. Step 4: Simplify right side
    66,846.03x = 2,193,317,320.34
  5. Step 5: Solve for x
    x = 2,193,317,320.34/66,846.03
  6. Step 6: Final answer
    x = 32,811.48

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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.