Home / 34,161.60-51,242.40-20,337.60

Finding the Fourth Proportional to 34,161.60, 51,242.40 and 20,337.60

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Solution

The fourth proportional to 34,161.60, 51,242.40 and 20,337.60 is: 30,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161.60 : 51,242.40 = 20,337.60 : x
  2. Step 2: Convert to fraction form
    34,161.60/51,242.40 = 20,337.60/x
  3. Step 3: Cross multiply
    34,161.60x = 51,242.40 × 20,337.60
  4. Step 4: Simplify right side
    34,161.60x = 1,042,147,434.24
  5. Step 5: Solve for x
    x = 1,042,147,434.24/34,161.60
  6. Step 6: Final answer
    x = 30,506.40

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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.