Home / 43,665.04-65,439.18-20,239.84

Finding the Fourth Proportional to 43,665.04, 65,439.18 and 20,239.84

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Solution

The fourth proportional to 43,665.04, 65,439.18 and 20,239.84 is: 30,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,665.04 : 65,439.18 = 20,239.84 : x
  2. Step 2: Convert to fraction form
    43,665.04/65,439.18 = 20,239.84/x
  3. Step 3: Cross multiply
    43,665.04x = 65,439.18 × 20,239.84
  4. Step 4: Simplify right side
    43,665.04x = 1,324,478,532.93
  5. Step 5: Solve for x
    x = 1,324,478,532.93/43,665.04
  6. Step 6: Final answer
    x = 30,332.70

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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.