Home / 43,679.90-65,535.20-21,508.84

Finding the Fourth Proportional to 43,679.90, 65,535.20 and 21,508.84

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Solution

The fourth proportional to 43,679.90, 65,535.20 and 21,508.84 is: 32,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.90 : 65,535.20 = 21,508.84 : x
  2. Step 2: Convert to fraction form
    43,679.90/65,535.20 = 21,508.84/x
  3. Step 3: Cross multiply
    43,679.90x = 65,535.20 × 21,508.84
  4. Step 4: Simplify right side
    43,679.90x = 1,409,586,131.17
  5. Step 5: Solve for x
    x = 1,409,586,131.17/43,679.90
  6. Step 6: Final answer
    x = 32,270.82

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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.