Home / 43,718.40-65,571.20-21,525.76

Finding the Fourth Proportional to 43,718.40, 65,571.20 and 21,525.76

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Solution

The fourth proportional to 43,718.40, 65,571.20 and 21,525.76 is: 32,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718.40 : 65,571.20 = 21,525.76 : x
  2. Step 2: Convert to fraction form
    43,718.40/65,571.20 = 21,525.76/x
  3. Step 3: Cross multiply
    43,718.40x = 65,571.20 × 21,525.76
  4. Step 4: Simplify right side
    43,718.40x = 1,411,469,914.11
  5. Step 5: Solve for x
    x = 1,411,469,914.11/43,718.40
  6. Step 6: Final answer
    x = 32,285.49

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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.