Home / 43,658.04-65,428.68-20,232.84

Finding the Fourth Proportional to 43,658.04, 65,428.68 and 20,232.84

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Solution

The fourth proportional to 43,658.04, 65,428.68 and 20,232.84 is: 30,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,658.04 : 65,428.68 = 20,232.84 : x
  2. Step 2: Convert to fraction form
    43,658.04/65,428.68 = 20,232.84/x
  3. Step 3: Cross multiply
    43,658.04x = 65,428.68 × 20,232.84
  4. Step 4: Simplify right side
    43,658.04x = 1,323,808,013.85
  5. Step 5: Solve for x
    x = 1,323,808,013.85/43,658.04
  6. Step 6: Final answer
    x = 30,322.20

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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.