Home / 51,609.60-71,222.40-31,467.60

Finding the Fourth Proportional to 51,609.60, 71,222.40 and 31,467.60

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Solution

The fourth proportional to 51,609.60, 71,222.40 and 31,467.60 is: 43,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,609.60 : 71,222.40 = 31,467.60 : x
  2. Step 2: Convert to fraction form
    51,609.60/71,222.40 = 31,467.60/x
  3. Step 3: Cross multiply
    51,609.60x = 71,222.40 × 31,467.60
  4. Step 4: Simplify right side
    51,609.60x = 2,241,197,994.24
  5. Step 5: Solve for x
    x = 2,241,197,994.24/51,609.60
  6. Step 6: Final answer
    x = 43,425.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.